 HP Prime Math Applications The first size listed is the downloaded file size and the second size listed is the size on the calculator.

There are 182 files totaling 11870KB in this category.

 Airy   (details) Prime ENG   16KB/5KB Calculates the Airy functions, Ai and Bi. Author unknown. 2017/06/01

 ANOVA   (details) Prime ENG   11KB/5-47KB ANOVA functions, with separate functions for one-way, two-way, and regression analysis. By Salvo Micciché (salvomic). 2015/08/20

 Area by Quadratic Splines   (details) Prime ENG   3KB/3KB Calculates the area under the curve described by the set of points (x_n, y_n). The points are connected, in groups of three, by quadratic splines. Thus, points (x1, y1), (x2, y2), and (x3, y3) are connected by a quadratic spline, (x3, y3), (x4, y4), (x5, y5) are connected by another quadratic spline, and so on. By Eddie W. Shore. 2017/12/17

 Area Calc   (details) Prime POR   43KB/12KB Program that demonstrates using the MENU touch screen function to calculate the area of various polygons -- square, rectangle, circle, triangle, and diamond. By João Leonardo Rozsas. 2016/08/03

 AXL   (details) Prime ENG   1KB/1KB An attempt to duplicate the functionality of the AXL command in the 50g. By Hege Gabert. 2013/10/05

 Base 10 - Base 12 Conversions   (details) Prime ENG   3KB/4KB Converts between Base 10 and Base 12. By Eddie W. Shore. 2017/02/11

 Base Conversion   (details) Prime ENG   3KB/2KB This program will convert between any base, with the user being prompted for the required output base. Numbers without # are treated as decimal. Numbers with # but without explicit type are treated as per system setting for integers. By Steve Tuc. 2016/08/06

 Base Conversion   (details) Prime ENG   3KB/8KB Performs base conversions, including fractional parts. By Han Duong (HPSolo). 2017/02/11

 Bernoulli's Differential Equation 1.4   (details) Prime ENG   2KB/3KB Finds the solution to Bernoulli's Differential Equation given as: y' + g(x)*y =(x)*y^n, calculates the constant of integration C for any initial condition y(x0) = 0, if desired, and depicts the plot of the curve of y(x). By Claus Martin Dachselt. 2018/09/09

 Bessel Function Second Kind   (details) Prime ENG   7KB/21KB Program to calculate the second kind Bessel function of integer order N, for any REAL X, using the function BESSY(N,X). By Tom Lake. 2017/10/31

 Bessell   (details) Prime ENG   7KB/1KB Calculates the Bessel function of the first kind. Two different approaches are shown. By Eddie W. Shore and others. 2016/08/06

 Best Regression Fit   (details) Prime ENG   5KB/4-5KB Compares a set of regressions to determine a best fit, simulating a feature from the 48 and 49/50 series calculators. It compares the correlations of the linear, logarithmic, exponential, and power regression models. Includes a separate version that adds inverse, simple logistic, simple quadratic, and square root. By Eddie W. Shore. 2017/11/05

 BESTFIT3   (details) Prime ENG   3KB/5KB Inspired by Best Regression Fit, this calculates the best fit, returning the best Rsqr value, the power of best Y transformation (0 means ln(y)), the power of best X transformation (0 means ln(x)), the best slope, the best intercept, the minimum X value, the maximum X value, the minimum Y value, and the maximum Y value. By Namir Shammas. 2017/12/28

 Bisection 1.0.1   (details) Prime ENG   585KB/1KB There are numerous algorithms that calculate the roots of single-variable nonlinear functions. The most popular of such algorithms is Newton's method. The slowest and simplest root seeking algorithm is the Bisection method. This method has the user select an interval that contains the sought root. The method iteratively shrinks the root-bracketing interval to zoom in on the sought root. By Namir Shammas. 2014/01/11

 BLAS 0.1   (details) Prime ENG   13KB/35KB Basic Linear Algebra Subprograms, which implements most of the BLAS Level 1 functions in single precision. By Stephen Lewkowicz (G1CMZ). 2019/09/11

 Bolt Pattern   (details) Prime ENG   3KB/1KB Calculates a bolt pattern given X (center, X coordinate), Y (center, Y coordinate), N (number of bolts), and D (diameter of the circle). No angle of rotation is assumed. By Eddie W. Shore. 2015/08/20

 Boolean   (details) Prime   6KB/23KB Builds truth tables for Boolean expressions. In Russian. By Vlad A.B. (Vlad_AB). 2017/02/15

 Calculations with 3-Dimensional Vectors   (details) Prime ENG   6KB/2-12KB A series of programs for working with three dimensional vectors, including RECT2SPH (rectangular to Spherical Coordinates), SPH2RECT (spherical Coordinates to Rectangular Coordinates), LIN3DIST (linear distance between coordinates), SPH3DIST (spherical distance between coordinates), VANGLE (angle between two coordinates), and ROT3X, ROT3Y, and ROT3Z (which rotate the three-dimensional vector [x, y, z] with respect to the x-axis (ax), respect to the y-axis (ay), and respect to the z-axis (az), respectively). By Eddie W. Shore. 2017/02/11

 Cálculo de Área, Volumen, Inercia, Centroides 1.0   (details) Prime ESP   5KB/62KB Calculates the area, volume, moment of inertia, and centroid, with a list of figures to choose from. By Arnoldo José París Monagas. 2017/12/28

 Carmichael Numbers   (details) Prime ENG   3KB/1KB Tests whether an integer n qualifies as a Carmichael number based on the Korselt’s Criterion: 1. n is a positive, composite integer. That is, n can be factored into a multiplication of prime numbers. 2. n is square-free. 3. For each prime factor p dividing n (not 1 or n), the following is true: (p-1) divides (n-1) evenly (without fraction). By Eddie W. Shore. 2016/08/04

 Casio-Style ENG Button   (details) Prime ENG   6KB/5-8KB Simulates the ENG button from Casio calculators, which displays numbers in engineering format and converts the exponent (for example, xxxE3 to xxxE6, xxxE6 to xxxE9, or reverse). Unknown original author and Salvo Micciché (salvomic). 2017/12/17

 CC3D   (details) Prime ENG   57KB/18KB Six short programs to convert coordinates in three dimensions, among the three coordinate systems: rectangular, cylindrical and spherical. Author unknown. 2017/02/11

 Chi Square   (details) Prime ENG   3KB/6KB Calculates the chi2 test having only the variance s^2 and σ^2. By Salvo Micciché (salvomic). 2015/08/20

 Circle, Secant, Tangent   (details) Prime ENG   95KB/8KB Being given a circle C described by its center (xM,yM) and radius r in combination with a point P0(x0,y0) outside, Pc(xc,yc) inside or a secant defined by f(x), this CAS-program finds characteristic items like tangents T1,T2, tangential points P1, P2, chord between P1 and P2 and some more quantities. By Claus Martin Dachselt. 2019/02/11

 CLPX   (details) Prime FRA   1KB/1KB Does complex number calculations. By Mickaël Nicotera. 2017/04/27

 Complex CAS   (details) Prime ENG   4KB/1KB An initial version of a library of complex functions, including the argument of a complex number given in Cartesian form (x,y) and conversion from polar to Cartesian form. Author unknown. 2015/08/20

 Complex Prime Number Test   (details) Prime ENG   2KB/1KB Tests whether a complex number is a prime number. Of course, every number on the HP Prime is prime! By Eddie W. Shore. 2015/08/20

 Congruence Equations   (details) Prime ENG   2KB/1KB Solves congruence equations. By Eddie W. Shore. 2014/10/22

 Conic Section   (details) Prime ENG   7KB/17KB Calculates something with the conic section. Author unknown. 2018/05/01

 Conic Sections - Equation of 2nd Order 1.03   (details) Prime ENG   23KB/12KB Finds the type and characteristic items of conic sections, if the general equation of 2nd order is given in the form: a0*x² + b0*x*y + c0*y² + d0*x + e0*y + f0 = and draws the plot after calculation. By Claus Martin Dachselt. 2019/04/02

 Control Systems Stability   (details) Prime ENG   3KB/3KB For control systems stability, this will give you the Routh-Hurwitz Matrix = M25, though it will not tell you how many poles lie in the left/right planes. Author unknown. 2016/08/04

 Coordinate Conversion   (details) Prime ENG   2KB/2KB Performs coordinate conversions between rectangular, cylindrical, and spherical. By Eddie W. Shore. 2016/08/03

 Coordinate Converter 1.2   (details) Prime ENG   4KB/15KB Converts coordinates between different systems. For example, it will convert between X=8 Y=6 Z=4 in rectangular and 10 36.87 4 in cylindrical and 10.77 36.87 68.20 in spherical. By Bernard Michaud. 2016/08/06

 Coordinate Converter Ultimate   (details) Prime ENG   5KB/9KB Yet another converter which when one system is entered(Cart., Cyl. or Sph), the other two system are simultaneously converted and all three system are displayed along with the graph showing the position of each variables on the graph. By Bernard Michaud. 2017/02/11

 Coordinates Converter 1.0   (details) Prime ENG   169KB/18KB Converts between rectangular, cylindrical, and spherical coordinates. This program has a restriction where one needs a unique set of coordinates for each point. Restricting the radius to be non-negative (ρ ≥ 0), the azimuth 'θ' to lie in a specific interval spanning 360° or 2π, such as (-180°,+180°] or (-π,+π] and inclination 'φ' to specific a interval spanning 180° or π, such as [0°,180°] or [0,π]. By Gustavo Madureira. 2016/08/02

 Cosine Regression   (details) Prime ENG   2KB/3KB Attempts to fit data to the curve Y = A*cos(C*(X-D))+B. The user will provide the x-data, y-data, and the period of the data. Radians mode will be used. By Eddie W. Shore. 2017/07/28

 Curve Calculator   (details) Prime ENG   9KB/30KB Horizontal and vertical curve calculator where you enter the curve data you have and let it calculate the rest. If one of your inputs is degree curve it will prompt for chord or arc definition. After it calculates the curve data you press OK or "Enter" to bring up the next screen with the areas. By C.D. Dodds. 2017/02/11

 Dec2Frac   (details) Prime ENG   3KB/1KB Converts decimals to fractions. By Namir Shammas. 2014/10/22

 Decimal Period of 1/X in Base Y   (details) 49/50 Prime ENG   4KB/1-2KB A set of programs to calculate the Decimal Period of 1/X in Base Y or the Multiplicative Order of Y (mod X). Includes a version for the Prime as well as both a User RPL and System RPL version for the 49/50 series. By Joseph K. Horn, Gerald Hillier, and Thomas Ritschel. 2018/01/24

 Decimal to Any Base   (details) Prime ENG   3KB/4KB Two programs that allow conversion of integers from decimal to any designated base. Integers used in base other than 10 are presented in list format. Each digit is separate and listed in order of descending place value. By Eddie W. Shore. 2017/02/11

 Degree of a Polynomial   (details) Prime ENG   2KB/1KB A more complete version of the degree command. The degree command tests a single variable, defaulted to x if no variable is specified. This CAS program calculates the degree of a polynomial, considering four variables: x, y, z, and t. Combinations of these four variables, such as x*y, x*y*z, and t*z are also considered. By Eddie W. Shore. 2016/08/06

 Degrees/Radians/Gradians   (details) Prime ENG   2KB/4KB Handy converter between Degrees, Radians and Gradians. By Bernard Michaud. 2018/03/11

 Delta trinôme   (details) Prime FRA   2KB/4KB Table of changes and delta trinomial program. By Mickaël Nicotera. 2013/10/05

 Digamma Function   (details) Prime ENG   2KB/2KB Calculates the digamma function for any positive integers and multiples of 1/2 (such as 3/2, 5/2, 7/2, etc) using the formulas: ψ(1/2) = -γ – ln 4 = -1.963510026, ψ(1) = -γ = -0.5772156649, ψ(n) = Σ(1/x, x, 1, n-1) - γ for n is an integer, and ψ(n) = Σ(2/(2*x+1), x, 0, n-3/2) - γ – ln 4 for n a multiple of 1/2 for the form p/2, p is odd, where γ = 0.577215664901533 (Euler-Mascheroni constant) By Eddie W. Shore. 2017/12/28

 Directional Derivative   (details) Prime ENG   2KB/1KB CAS function to calculate the directional derivative. By Salvo Micciché (salvomic). 2015/08/20

 Distance, Speed, Time Calculator Using Units   (details) Prime ENG   35KB/11KB A distance, speed and time calculator that uses the Units, MKSA, and CONVERT functions. Enter any two variables and solve for the third. When solving for the unknown variable, you need to specify the units of the unknown variable. When using h°m′s'' units for time, you need to enter the degrees, minute, and seconds symbols. One hour, 30 minutes and 45 seconds is entered as 1°30′45" By Gene N S. 2019/08/29

 Double Integral by Monte Carlo Method   (details) Prime ENG   52KB/3KB Calculates the double integral ∫ ∫ f(x,y) dx dy over a circular area with center (X, Y) and radius R using the Monte Carlo method. By Eddie W. Shore. 2018/12/21

 Easy Matrix   (details) Prime ENG   373KB/85KB This program is not designed to solve intricate matrix problems, but to facilitate the entry of data in matrices and perform many operations as described in the User Manual chapter 26. By Bernard Michaud. 2016/08/04

 Ellipse 2.0   (details) Prime ENG   3KB/10KB Using the solver app, for an ellipse, solves for area, circumference, ellipticity, and eccentricity. Length of radius 1 and 2 are calculated using the two angles you enter. For an elliptical sector, solves for area, radius 1, and radius 2. For an elliptical arc, solves for radius 1, radius 2, chord, sector area, and arc area. By Bernard Michaud. 2019/02/11

 Ellipse Coordinate Converter   (details) Prime ENG   3KB/6KB Converts Degrees, Radian, Gradian, and (X,Y) Coordinates. I can't get it to work, however. By Bernard Michaud. 2018/03/14

 Ellipse, Secant, Tangents 1.02   (details) Prime ENG   99KB/9KB Being given an ellipse E described by its center (xM,yM), semi-major axis a and semi-minor axis b in combination with a point P0(x0,y0) outside, Pc(xc,yc) inside or a secant defined by f(x), this CAS-program finds characteristic items like tangents T1, T2, tangential points P1, P2, chord between P1 and P2 and some more quantities and draws the plot. By Claus Martin Dachselt. 2019/02/23

 Elliptic Integrals   (details) Prime ENG   3KB/3KB Handles elliptic integrals of the first, second, and third kind. By Salvo Micciché (salvomic). 2017/10/30

 EngSci   (details) Prime ENG   3KB/5KB Handles Engineering or Scientific adjustment using the number on the Stack and increases or decreases the exponent EEX simulating <-ENG ENG-> keys. This program is not meant to compete with the more advanced program Casio-Style ENG Button but simply uses a different approach and graphical interface. By Bernard Michaud. 2018/01/07

 Extended Precision Library   (details) Prime ENG FRA   346KB/33KB A library of functions to allow unlimited floating point precision for all arithmetic and most transcendental functions on the Prime. Includes comprehensive PDF documentation. By G. E.. 2019/05/27

 F Variance Test   (details) Prime ENG   3KB/4KB Calculates the F Test for variances of two populations. By Salvo Micciché (salvomic). 2015/08/20

 Factores para Ingeniería Económica   (details) Prime ESP   2KB/14KB Useful program that contains all the factors for calculations involving Economic Engineering. By Arnoldo José París Monagas. 2017/12/17

 Farey Series   (details) Prime ENG   3KB/3KB Rounds a decimal value to fraction using the Farey series. By Patrice Torchet. 2014/10/19

 Fiber Optics Equation Library   (details) Prime ENG   3KB/2KB Using the half-increment solution by Robert M. Eisberg, solves the numerical differential equation d^2y/dt^2 = f(dy/dt, y, t) given the initial conditions y(t0) = y0 and dy/dt (t0) = dy0. By Eddie W. Shore. 2017/02/11

 Fibonacci Triangle Matrices   (details) Prime ENG   357KB/2-5KB Has the program FIBMAT to generate the Fibonacci Triangle in matrix form, and the program FIBTRI to visualize the Fibonacci Triangle. By Eddie W. Shore. 2018/12/27

 Fluctuation   (details) Prime ENG   7KB/26KB Statistics program, plotting fluctuations. By Mickaël Nicotera. 2017/04/27

 Forward Intersection   (details) Prime ENG   3KB/2KB Calculates the third point on a triangle where the coordinates of points A (xa, xb) and B (xb, yb) are known. Also, a line towards P point is aimed from point A at angle α° and from point B at angle β°. By Eddie W. Shore. 2017/02/11

 Fresnel Integrals   (details) Prime ENG   2KB/3KB Handles Fresnel integrals with the functions for S(x) and C(x). By Salvo Micciché (salvomic). 2017/10/30

 Fun with Primes   (details) Prime ENG   3KB/2-4KB Small programs to calculate the sum of the first n prime numbers, the sum of the first n prime reciprocals, and the product of the first n prime reciprocals. By Eddie W. Shore. 2017/02/11

 Function Defined by Preset Conditions 1.3   (details) Prime ENG   20KB/7KB Finds for a function f(x) of n-th degree ( n= 3 or 4 ) given as f(x) =*x^n + b*x^(n-1) + c*x^(n-2) + … the numerical values of the unknown coefficients a, b, c, … owing to preset conditions. These conditions may be: a given point P(x|y) as part of the graph of the function f(x), extremum or tangent in x for f´(x), point of inflexion in x as f´´(x)=- ( f´´(x)<>0 also possible ) - or the integral I (x) =nInt( f(x), x_lower, x_upper) between two points. After calculation, the graph F1(X) of the function is plotted. By Claus Martin Dachselt. 2018/08/18

 Gauss Jordan Utilities   (details) Prime ENG   7KB/8KB Performs operations with Gaussian reduction (elimination), extending the tools that the Prime has already (LU, pivot, ref, RREF, etc.). Contains the following tools: Pivots (an algorithm to calculate pivots that does a "partial pivoting", returning a matrix with pivots in diagonal and upper matrix), LU_ext (an extension of the lu() command, to treat also a non square matrix and echelon forms), LDLt (performs a transposition of a symmetric and square matrix into lower, diagonal and upper), LDU (a factorization of lower, diagonal, and upper for a square matrix), echelon (returns both ref(m) and RREF(m), echelon forms), and permMatrix (given a list {} or a matrix [] with the number of rows to permute, it gives the matrix of permutation). By Salvo Micciché (salvomic). 2015/08/20

 Gauss-Jordan   (details) Prime ENG   3KB/2KB Uses the Gauss-Jordan Elimination Method in a step-by-step fashion to reduce a matrix. By Eddie W. Shore. 2016/08/03

 GeomCalc   (details) Prime ENG   383KB/6KB This app is part of a tutorial of making custom user apps for the HP Prime. Notes of how the app is made, as well as an app itself, are included in the zip file. GeomCalc has ten geometric calculations: five areas and five volumes. Requires at least firmware 13333. By Eddie W. Shore. 2018/02/18

 Gompertz Model   (details) Prime ENG   3KB/2KB Fits the data {y_1, y_2, y_3, … , y_m } to the curve y = a*b^c^x, where x = {0, 1, 2, 3, 4, … , m-1}. The program works best if the dimension (size) of the data set is divisible by 3. GOMPERTZ sorts the values into ascending order before calculation. The results returned is a 3 x 1 matrix of the parameters: a, b, and c. GOMPERTZ estimates a, b, and c and runs through one iteration to retrieve a better estimate, and may be modified by include additional iterations should the user desire. By Eddie W. Shore. 2016/08/06

 Gradian Toolbox   (details) Prime ENG   3KB/3KB Provides conversion from radians or degrees to gradians and vice versa. There are also the three basic trigonometric functions and their inverse functions that work directly in gradians. Author unknown. 2016/08/04

 H2OWAVES   (details) Prime ENG   3KB/2KB Calculates wave speed, impedance, and wave flux for shallow ocean waves. By Eddie W. Shore. 2017/04/27

 Hermite Interpolation   (details) Prime ENG   2KB/1KB This performs Hermite Interpolation for the 2-known points case, when we have points (x0, y0, y’0) and (x1, y1, y’1) and we want to determine y for a given value of x. The approximation of y is determined by divided differences. By Eddie W. Shore. 2016/08/04

 HP-Prime CAS+ 0.0.6c   (details) Prime ENG ESP   215KB/10KB Library functions for the symbolic mode (CAS) of the Prime. By Jaime Fernando Meza Meza (CompSystems). 2014/10/18

 Imaginary Error Function   (details) Prime ENG   2KB/1KB Shows how to implement the imaginary error function, erfi() and a function called "erfw", or w(z) that handles every complex number, similar to the built-in error function, erf() and the complementary error function, erfc(). By Salvo Micciché (salvomic). 2017/11/02

 Interpolacion 1.0   (details) Prime ESP   2KB/5KB Does single and double interpolation. By Alvaro De León Glz. 2017/02/10

 Interpolator 1.0   (details) Prime ENG   360KB/3KB Helps you interpolate or extrapolate values using the the equation of the line passing through two different points. By Marco Antonio Rivera Villacorta. 2017/02/10

 Jacobi and Gauss-Seidel 1.2   (details) Prime ENG   243KB/5KB Solves linear systems using the Jacobi and Gauss-Seidel Iterative Techniques. It also calculates the spectral radius of the iteration matrix. By Jhonatan Peretz. 2019/02/27

 Jacobi Elliptic Function   (details) Prime ENG   3KB/2KB Given Jacobi_fn(φ, m), where φ is the amplitude (φ=ASIN(x), where x is upper bound of Elliptic integral 1st kind expressed in other canonical form; the complete form has 0<=x<=1 or 0<=φ<=π/2); m=k^2 is the square of the eccentricity (0<=k<=1), this program returns a matrix where the first row present u (elliptic integral 1st kind in the sine integral –with φ– form), φ, m and the second row sn (amplitude sine), cn (amplitude cosine) and dn (delta amplitude). By Salvo Micciché (salvomic). 2017/11/02

 Jacobian   (details) Prime ENG   3KB/2KB CAS program that calculates the Jacobian of a matrix. Also can evaluate it at a certain point. By Salvo Micciché (salvomic) and Arno Kizina. 2018/04/09

 Lagrange Interpolation 1.1   (details) Prime ENG   2KB/3KB Returns the interpolating Lagrange polynomial of minimum degree k for a set of points {x0, x1, …, xn}, {y0, y1, …, yn}, where 1 <= n-1 and n = 2, and depicts the plot of the function. By Claus Martin Dachselt. 2018/05/22

 Last Digit Composite   (details) 38 Prime ENG   2KB/1KB Inserts symbolics in the Sequence App to produce the sequence of numbers having right-most digit composite. This is A262389. By Gerald Hillier and Didier Lachieze. 2017/09/20

 LCalculus 0.2   (details) Prime ENG   83KB/14KB Lambda Calculus expression evaluator based on the Spreadsheet app. Use the spreadsheet as a dictionary of lambda expressions, each named with an ID. Perform evaluations by specifying 2 or 3 IDs to be applied to each other. This version uses De Brujin indices instead of normal notation. The next version will use De Brujin indices behind-the-scenes. Various expressions are included. Church Numerals are recognized automatically. This version is also limited to performing applications with 2 or 3 terms; a future version will support free-form entry of terms (using ID, not lambda expressions) for evaluation. By Brian L. O'Dell. 2014/10/18

 Least Squares Regression 1.0   (details) Prime ENG   200KB/5KB Allows you to perform Polynomial Regression and Multiple Linear Regression using the Least Squares technique. By Jhonatan Peretz. 2019/01/17

 Line Integral and Curvilinear Integral   (details) Prime ENG   3KB/1KB Two little CAS programs to calculate line integral (vector functions) and curvilinear integral (scalar function). These programs work with 2 or 3 components (parametric expression: [r(t), r(t), r(t)] or [r(t), r(t)]). By Salvo Micciché (salvomic). 2015/08/20

 Linear Solver+   (details) Prime ENG   134KB/3KB Uses RREF to solve linear equations, supporting both real and complex numbers. It can also solve larger than 4x4, but the interface is less friendly for this since larger systems are used less frequently in electronics circuits, which this program was designed for. By Bernard Michaud. 2016/08/04

 Linear Solver+ App   (details) Prime ENG   4KB/13KB Linear solver app similar to the LSX program, in that it can also solve Complex Linear Equations in 2x2 and 3x3. Useful for those in the Electrical/Electronics field. By Bernard Michaud. 2016/08/06

 Locus Curve 1.1   (details) Prime ENG   2KB/2KB Calculates from given set of functions the curve (s) through max and min points or through turning points. By Arno Kizina. 2018/02/27

 LSX Linear Solver   (details) Prime ENG   3KB/10KB Mimics the Linear Solver APP, however it can also solve Complex Linear Equations in 2x2 and 3x3. Useful for those in the Electrical/Electronics field. By Bernard Michaud. 2016/08/06

 Machine de Galton   (details) Prime ENG   1KB/2KB A bean machine to demonstrate the central limit theorem. By Mickaël Nicotera. 2013/12/22

 Magic Squares   (details) Prime ENG   3KB/3KB Generates random 3 x 3 non-normal magic squares. The sum of each row, column, and diagonal are given. A magic square is a square of integers where each row, column, and diagonal have the same sum. By Eddie W. Shore. 2017/10/22

 MAT 1105 FNI 1.0   (details) Prime ESP   16KB/238KB Numeric math application with functions for bisection, fixed point, Newton-Raphson, and more. By Rocha Caceres Santiago. 2016/08/02

 Matrices Built from Shifted Elements   (details) Prime ENG   64KB/4KB Programs to create an n by n matrix based on the elements of a given list. Each row has each of the elements rotated one element, either left (LSM) or right (RSM). By Eddie W. Shore. 2019/03/11

 Matrices: Adjoint and Cofactors   (details) Prime ENG   2KB/1KB A little program to get the adjoint matrix and cofactor matrix of a given matrix. By Salvo Micciché (salvomic). 2015/08/20

 Maximum Probability - Incomplete Gamma Law   (details) Prime ENG   4KB/3KB Calculates four calculation points and three parameters of A, γ, and β of the Incomplete Gamma Law: g(x) = 1 / (β^γ * gamma(γ)) * x^(γ - 1) * e^(x/β). By Eddie W. Shore. 2019/08/29

 Means API   (details) Prime ENG   9KB/22KB A collection of common means and other numerical list routines. By Stephen Lewkowicz (G1CMZ). 2018/01/07

 Means: Geometric, Weighted, Harmonic   (details) Prime ENG   2KB/2KB A simple program to calculate some means, given lists of values. Calculates the geometric mean of {list1} (where all numbers in the list must be > 0), the weighted mean of {list1} with weights {wlist}, and the harmonic mean of {list1} (where all numbers must be > 0). By Salvo Micciché (salvomic). 2017/12/28

 Mersenne Twister   (details) Prime ENG   4KB/6KB An implementation of the Mersenne Twister, for random number generation. By Keith Barkley. 2017/02/11

 Métodos Numéricos H&WLabs 1.1   (details) Prime ESP   8KB/50KB Solves numeric methods. Uses the Newton-Raphson method, the fixed point method, the Newton bisection method, the secant method, and the false position method. Shows the intermediate steps and the final result. By Hebert Poma Vidal. 2016/09/11

 Modified Newton's Method 1.1   (details) Prime ENG   245KB/3KB CAS program that solves an equation using the Modified Newton-Raphson Iterative Technique. By Jhonatan Peretz. 2019/04/22

 Monty Hall Problem   (details) Prime ENG   3KB/4KB Simulates the famous Monty Hall program. You get to choose how many times the problem should run, the number of doors and if you want to change doors or not. It only shows the results (statistics) and you won't actually choose doors, or win a car or goats. By Artur Donda. 2017/10/23

 MPINVERT   (details) Prime ENG   2KB/1KB Also known as a pseudoinverse, calculates the Moore-Penrose inverse of a matrix, denoted by A^+ (capital A with a supersubscript of a plus sign), is an inverse of matrix. Different from the "true" matrix inverse, the Moore-Penrose inverse allows for non-square matrices. Primarily, the Moore-Penrose inverses are calculated is assist in solving linear least-square equations. By Eddie W. Shore. 2015/08/20

 Multi Command App   (details) Prime ENG   45KB/45KB Displays all functions in the CAS/Rewrite menu with their results in a popup menu on the CAS main screen. Additionally, it displays expand, proot (in second menu only), collect, and lncollect functions and their results. By V Volkan. 2018/10/13

 Multinomial Coefficient   (details) Prime ENG   3KB/1KB Two versions of a program to calculate multinomial coefficients. The program accepts an integer for "n" (total of k) and a list with brackets {} for the list of the k (like {1,4,4,2}) and gives an integer that represents permutations in a multi set. By Salvo Micciché (salvomic). 2015/08/20

 Newton Method for Nonlinear Systems 1.1   (details) Prime ENG   232KB/3KB CAS program which solves nonlinear systems using the Newton Method. It also calculates the Jacobian matrix of the system of equations. By Jhonatan Peretz. 2019/01/17

 Newton Raphson 2.0   (details) Prime ESP   3KB/3-9KB Numeric methods by the Newton-Raphson method. Three version, for a direct result, a step-by-step result, and a version in a table similar to Excel. By Florencio Quelca. 2018/04/09

 Newton's Method   (details) Prime ENG   3KB/1KB Uses Newton's Method to compute the root of a function f(x) using linear approximations of f(x) via tangent lines. By Han Duong (HPSolo). 2014/10/22

 Newton's Method with Strings   (details) Prime ENG   4KB/2KB A version of Newton's method where you specify a string representing f(x), along with the initial guess for the root, and the tolerance value. Thus you can solve for different functions without having to hard code these functions in the PPL code. Also includes an enhanced version. By Namir Shammas. 2018/01/07

 Nice Integer Eigenvectors   (details) Prime ENG   6KB/10KB Gives you nice integer eigenvectors for 2x2 and 3x3 matrices rather than the normalized ones given by the EIGENVV program. Author unknown. 2015/08/20

 Nombres Premiers 1.1   (details) Prime FRA   29KB/12KB Determines whether a number between 0 and 10E9 is prime. Gives the prime numbers before and after that number. By Pierre Berly. 2019/03/11

 Normal Law   (details) Prime FRA   1KB/2KB Statistics program, where you enter the standard deviation and a guess. By Mickaël Nicotera. 2017/04/27

 Numeric Integration   (details) Prime ENG   3KB/6KB Uses a hybrid of CAS and Home-program to compute the integral of an input entered function, the borders and intervals to compute diverse numeric integrals. It can easily be extended to other formulas; the included ones are those the author sometimes needs to check hand-calculations made by his pupils. By Arno Kizina. 2017/12/28

 Numerical Integration 1.1   (details) Prime ENG   300KB/8KB Approximates the definite integral for a given function using the Newton-Cotes Formulas (Trapezoidal Rule, Simpson 1/3 Rule and Simpson 3/8 Rule) and Gauss-Legendre Quadrature. By Jhonatan Peretz. 2019/04/09

 Numerical Methods (Equations in One Variable) 1.0   (details) Prime ENG   426KB/10KB Uses numeric methods to solve an equation in the form f(x) =. The iteration table is also shown. You can choose between five different numerical methods: Fixed-Point Method, Newton-Raphson Method, Secant Method, False-Position Method and Bisection Method. By Jhonatan Peretz. 2019/08/23

 OEIS A111138   (details) 49/50 38 Prime ENG   5KB/1KB Returns the Nth element of the series OEIS A111138. By Gerald Hillier and John Keith. 2019/07/20

 Orthogonal Matrix Test   (details) Prime ENG   2KB/2KB Tests whether a square matrix is orthogonal, using the formula M * M^T = M^T * M = I. By Eddie W. Shore. 2017/02/11

 Parabolic Coordinates   (details) Prime ENG   3KB/3KB Converts between parabolic coordinates (μ, v, ϕ) and rectangular coordinates (x, y, z). By Eddie W. Shore. 2017/03/05

 Parabolic Cylindrical Coordinates   (details) Prime ENG   3KB/3KB Converts between parabolic cylindrical coordinates (μ, v, ϕ) and rectangular coordinates (x, y, z). By Eddie W. Shore. 2017/03/05

 PDQ Algorithm   (details) Prime ENG   8KB/2-5KB PDQ finds best rational approximations, with infinite precision. This means it finds the two smallest integers whose ratio is equal to some target real number plus or minus some desired tolerance. In other words, it finds the simplest fraction in any given interval. Unlike other methods, it always finds the unique best answer, and uses the infinite precision of CAS long integers. By Joseph K. Horn. 2018/03/18

 Perigee and Apogee of a Conic Section   (details) Prime ENG   3KB/2KB Determines three characteristics of a conic section: the eccentricity, perigee, and apogee, given the lengths of the semi-major axis (A) and the semi-minor axis (P). By Eddie W. Shore. 2017/12/17

 Perimeter of an Ellipse   (details) Prime ENG   3KB/1-2KB Uses a converging iteration technique ported from a QBASIC program by Gérard P. Michon to calculate the perimeter of an ellipse. Also includes a version using integration that is slightly more accurate. By Joseph K. Horn and Wes Loewer. 2016/08/06

 PGCD étendu   (details) Prime FRA   1KB/1KB Extended Euclidean algorithm program. By Mickaël Nicotera. 2013/10/05

 Pitch vs Angle   (details) Prime ENG   3KB/2KB Calculates the pitch and angle of various roof heights. The pitch of a roof is the number of inches of vertical rise per 12 inches. For example: a roof of 3/12 is pitch is a roof that rises 3 inches for every 12 horizontal inches. This program demonstrates the angle computer given different roof pitches. You control the rise, anywhere for 0.5 ft to 12 ft. Use the up and down arrow keys to control the rise. By Eddie W. Shore. 2017/02/11

 Pixel Plot   (details) Prime ENG   107KB/4KB Program for changing Cartesian coordinates to pixels. When running programs on the HP Prime, the screen has a pixel coordinate system of 320 x 220 (to allow room for soft menu keys). There are two ways to calculate to translate Cartesian coordinates to pixel coordinates on the HP Prime. The easy way is to use the C→PX command. However, if you are working in custom made apps, C→PX may not work because the command requires that app has the Plot variables Xmin, Xmax, Ymin, and Ymax. This will require a conversion formula, provided by this program. By Eddie W. Shore. 2018/02/18

 Planes 1.2   (details) Prime ENG   57KB/14KB From the field of Vector Algebra, finds for two planes, plane and straight line or plane and point typical properties like distance, point or line of intersection, angle between two planes. By Claus Martin Dachselt. 2018/05/22

 Platonic Solids   (details) Prime ENG   6KB/3KB A set of routines to calculate the volume and surface area of the following solids: tetrahedron, hexahedron, octahedron, dodecahedron, and icosahedron. By Eddie W. Shore. 2017/02/11

 Point, Curve, Tangent 1.2   (details) Prime ENG   2KB/3KB Given a point (xP|yP) outside a curve described by f(x), this CAS program finds one or more tangent(s) Ti(x) through (xP|yP) to the curve, the accompanying tangential point(s) (xT|yT) on f(x) and the normal line(s) Ni(x) in (xT|yT). By Claus Martin Dachselt. 2018/04/09

 Polynomial Homogeneous Test   (details) Prime ENG   2KB/1KB A polynomial is homogeneous if all of the nonzero terms has the same degree. This CAS program tests a polynomial of four variables x, y, z, and t and their combinations (x*y, x*z, x*y*z, etc). If the polynomial in question is homogeneous, the program returns a 1 (for true), otherwise 0 is returned (for false). By Eddie W. Shore. 2016/08/06

 Polynomial Interpolation   (details) Prime ENG   2KB/2KB A one-line program, to find an interpolated value using a polynomial interpolation function to a set of data points. Author unknown. 2017/02/11

 PolySolver   (details) Prime ENG   3KB/5KB Solves polynomials. By Mickaël Nicotera. 2017/04/27

 Power of Ten   (details) Prime ENG   3KB/2KB Very simple program to convert Power of Ten units. By Bernard Michaud. 2017/02/11

 Power of Ten Graphical   (details) Prime ENG   2KB/3KB Modified version of Power of Ten, a simple program to convert Power of Ten units, but with a graphical interface after your data is entered. By Bernard Michaud. 2017/12/17

 Prime and Xcas Examples of Solver   (details) Prime ENG   187KB/3KB Examples of the solver commands from Xcas for the Prime By Jaime Fernando Meza Meza (CompSystems). 2017/07/24

 Primitive Roots   (details) Prime ENG   6KB/6KB A set of three tools for dealing with primitive roots. One returns the smallest primitive root, one returns a list of all primitive roots, and one returns the next primitive root that is larger than the given value. Author unknown. 2015/09/07

 Pythagorean Triples   (details) Prime ENG   2KB/2KB Calculates a Pythagorean triple. A Pythagorean triple is a set of three positive integers A, B, and C that represent the lengths of a right triangle, with C being the hypotenuse. Hence, A^2 + B^2 = C^2. By Eddie W. Shore. 2017/02/11

 QPI 4.3   (details) Prime ENG   19KB/10KB HP Prime port of QPI 4.3 (originally for the HP 48 series). Approximates any floating point numbers by a rational number, square root, multiple of PI, exponential or a logarithm depending on which approximation seems best. By Han Duong (HPSolo) and Mika Heiskanen. 2013/12/22

 QTM   (details) Prime ENG   2KB/1KB Tools for working with quaternions in 2x2 matrix form. By Eddie W. Shore and Salvo Micciché (salvomic). 2016/08/03

 Rational Binomial Coefficients   (details) Prime ENG   3KB/2KB Calculates the rational binomial coefficient. By Eddie W. Shore. 2019/01/17

 Rational functions Polynomial expansion   (details) Prime ENG   3KB/5KB Does polynomial expansion of rational functions with partfrac and cpartfrac. Author unknown. 2015/10/24

 Repeating Decimals / Recurring Decimals 0.9   (details) Prime ENG   13KB/29KB Given an integer reciprocal, analyzes the decimal representation to identify the transient and repeating/recurring parts of the decimal. By Stephen Lewkowicz (G1CMZ). 2018/02/18

 Roman   (details) Prime ENG   2KB/1KB Converts an integer to Roman number By Lars Fredriksson. 2014/10/22

 Rounding to the Nearest Reciprocal   (details) Prime ENG   14KB/2KB Rounds a number to the nearest 1/n. This function can come in handy in several applications, for example, when working with construction or measuring, when have to round results to the nearest eighth (1/8), inch (1/12) or sixteenth (1/16). By Eddie W. Shore. 2017/12/06

 RPN Keystroke Simulator 1.0   (details) Prime ENG   602KB/28KB Offers 47 equations for HP Prime's Solver App. Just run the eqlib program, select the category that you are interested in, and select the equation within that category and you are off and running. Categories include: Geometry (areas, volumes, surface areas), Finance (monthly loans, sales tax, break-even), Temperature Conversion (Fahrenheit to and from Celsius), Physics: Problems of Motion (linear distance, circular motion, pendulums, terminal & escape velocity), Sound (speed of sound, Doppler effect, loudness), Optics (Lens and Snell equations, spherical refraction), Electronics (2 resistors series and parallel, thermal noise, Ohm's Law), Astronomy (parallax, luminosity, Kepler's 3rd Law, time dilation), Great Circle Calculations, Angle of Incidence Calculations, Gases (Ideal and Boyle's Gas Laws, heat capacity, air density, isothermal expansion), and Fluids (depth pressure, fluid flow, Bernoulli's Equation). By Eddie W. Shore. 2015/10/24

 Runge Kutta 4th Order Method   (details) Prime ENG   3KB/1KB Two functions for solving differential equations using the Runge Kutta 4th Order, one that takes all five arguments as parameters and the other that uses an input box. By Eddie W. Shore. 2015/08/23

 Runge-Kutta 1.0   (details) Prime ENG   655KB/7KB Solves ordinary differential (system of) equations using the following methods: Euler method, Heun Method (also known as Modified Euler method) and fourth-order Runge-Kutta method. By Jhonatan Peretz. 2019/06/17

 SAMPLE   (details) Prime ENG   1KB/1KB Generate a list of random integers from 1 to N using sample without replacement. By Eddie W. Shore. 2013/10/05

 Section 2.0   (details) Prime ENG   51KB/2KB Calculates some geometric properties for figures made from rectangles, like W section or so. By Rafael H. Padilla V.. 2014/10/19

 Shewhart X-Bar Chart   (details) Prime ENG   4KB/3KB Given a matrix, XCHART generates five variables that describe the parameters of a Shewhart X-bar chart for quality control purposes. Two limits, upper and lower, are determined, set 3 deviations from the mean, set the boundaries in which a process can vary and still allow the process to be in control. By Eddie W. Shore. 2017/08/26

 Sieve of Eratosthenes   (details) Prime ENG   23KB/3KB Shows a miniature version of the famous Sieve of Eratosthenes. The Sieve of Eratosthenes is a Greek algorithm that determines prime numbers from 2 to N through eliminating multiplies. By Eddie W. Shore. 2018/12/21

 Simple Logistic Regression   (details) Prime ENG   2KB/2KB Attempts to fit two lists of data (X, Y) to the equation y=1/(A+B*e^(-x)) by using the translation: X’ = e^-X and Y’ = 1/Y and performing linear regression analysis on X’ and Y’. This is good for all data except when y = 0. By Eddie W. Shore. 2017/04/22

 Simplex 1.0   (details) Prime ENG   692KB/15KB Linear programming by the Simplex 2 phase method. Author unknown. 2017/02/16

 Simplex 20.13   (details) Prime ENG   663KB/88KB Solves linear programs using the simplex method, providing a pure integer solution, or a mixed integer, continuous and binary solution. Lets you save and reload data, set target Z value, import data from spreadsheet, and use user definable variable names. Author unknown. 2017/02/11

 SIMPRULE   (details) Prime ENG   2KB/1KB Using Simpson's Rule, approximates the integral of f(X): ∫f(X)dX=h/2*(f(a)+2*Σf(x_E)+4*∑f(x_O)+f(b)) where a is the lower limit, b is the upper limit, n is the number of intervals and is even, h is (b–a)/n, x_E is a+h*I where I is from 1 to n-1 and I is even, and x_O is a+h*I where I is from 1 to n-1 and I is odd. By Eddie W. Shore. 2016/08/06

 Simulateur Probas   (details) Prime ENG FRA   158KB/5KB Probability simulator, letting you flip coins, roll a 6-sided die, spin a 4-numbered/colored spinner, take a colored ball out of an urn, deal 5 cards, or get random numbers. By Mickaël Nicotera. 2018/02/25

 Simultaneous Linear Equation Solver 1.0   (details) Prime ENG   3KB/14KB Simultaneous linear equation solver which solves 2x2 and 3x3 equations in Real and Complex mode. Mimics HP Linear Solve App, with Inputs and Outputs on the same screen. To return to Menu: Check Menu[] box and [Ok]. By Bernard Michaud. 2019/02/11

 Singular Value Decomposition   (details) Prime ENG   15KB/42KB Computes the singular value decomposition of a matrix. It additionally provides the commands diag2 (diagonal), pinv (pseudo-inverse), qrp (permutation/unitary/upper triangular), and lqp (permutation/unitary/lower triangular). By Han Duong (HPSolo). 2017/02/11

 SLK (Straight Line Kit) 4.1b   (details) Prime ENG ESP   1050KB/280KB Helps you to find the distance, the slope and the equation between two points, the perpendicular distance between a point and a straight line, collinearity of three points (the middle-point and the end-point coordinates), the equation of a straight line that goes through a point with a slope, transforms linear equations back and forth between standard and slope-intercept forms, generates the coordinate representation of a straight line, determines whether two straight lines are parallel or perpendicular, finds the (x) & (y) intercepts of a straight line, finds the intersection point of 2 straight lines, transforms a non-standard form equation into a standardized form of it, divide a segment into points or sub-segments, performs linear interpolation/extrapolation. Requires firmware 10077 or higher. By Dante Camargo. 2018/09/09

 Smith Chart Conversions   (details) Prime ENG   3KB/3KB Calculates one of two sets of conversions: Return Loss (RL) to Standing Wave Ratio (SWR, in decibels): RL to ρ (reflection coefficient) to σ (voltage standing ratio) to SWR, and Standing Wave Ratio to Return Loss: SWR to σ to ρ to RL. By Eddie W. Shore. 2017/12/28

 Smith Chart with Gradients   (details) Prime ENG   10KB/27KB Modified version of Smith Chart that adds the ability to paint up to 3 parameters (any three) in RGB. Works, but very slow - 6-8 minutes to paint. By Keith Barkley and others. 2017/12/28

 SolveSys 1.000   (details) Prime ENG   537KB/252-301KB Intended to replicate and combine programs from the HP 48 series of calculators for organizing equations and launching an equation solver. This app attempts to allow users to build their own equations library. The user can then also launch a numerical solver. This app implements the Newton-Raphson algorithm for solving a system of equations. In order to handle ill-conditioned, over-determined, under-determined, rank-deficient (etc.) Jacobian matrices, the SVD is used to determine the pseudo-inverse of the Jacobian (the pseudo-inverse coincides with the regular inverse of a matrix for non-singular matrices). Includes a copy of the equation library from the HP 48/49 series to get you started, including all the graphics. Also includes a more accurate version that requires Singular Value Decomposition. By Han Duong (HPSolo). 2017/04/15

 Solving Integral Equations   (details) Prime ENG   50KB/2KB Solves the equation ∫( f(t) dt, 0, x) = a and ∫( f(t) dt, 0, x) - a = 0. By Eddie W. Shore. 2019/08/29

 Solving Quadratic Equations Step-By-Step   (details) Prime ESP   114KB/73KB Solves quadratic equations in a step-by-step fashion. Requires QPI. By Jaime Fernando Meza Meza (CompSystems). 2017/02/11

 Special Products   (details) Prime ENG   459KB/3KB A short program that uses the to Numerically solve Special Product equations. Includes comprehensive PDF documentation. By Bernard Michaud. 2016/08/06

 Spect 001   (details) Prime ENG   566KB/17KB Performs symbolic time to frequency and frequency to time calculations: calculates for a given symbolic f(t) Fourier, Laplace and Z-transformation in symbolic form, draws the complex Laplace function together with the Fourier transformation slice as a 3D plot, and calculates for a given frequency transfer function the unity pulse, dirac pulse response and bode magnitude and phase in symbolic form. Includes PDF documentation. By Frank P. 2019/07/20

 Square Root Linear Regression   (details) Prime   2KB/2KB Attempts to fit data to the curve Y = √(A + B*X) using the linear transformation y^2 = a + b*x. By Eddie W. Shore. 2017/07/17

 Statistic Distributions   (details) Prime ENG   9KB/1-20KB Adds more statistic distributions, including logistic distribution, lognormal, exponential, geometric, hypergeometric and negative hypergeometric, negative binomial, Gompertz, Weibull and translated Weibull, Cauchy, beta, gamma, zeta, Laplace, uniform, multinomial, n-Erlang, Rayleigh, Pareto, Maxwell-Boltzmann, Gumbel, standard Gumbel, and Fréchet. By Salvo Micciché (salvomic). 2016/08/03

 Straight Lines 1.2   (details) Prime ENG   52KB/10KB From the field of Vector Algebra, finds for two straight lines L1 and L2 the distance between the lines, the points P1 and P2 of minimal distance on both lines, the intersection angle and checks, whether the lines are parallel, skew or have a common point of intersection. If the direction vector of L2 is entered as , the problem is handled as straight line L1 and point P. In this case the program finds the distance, the base point of perpendicular Pn, perpendicular vector P_ and the reflected point P0'. By Claus Martin Dachselt. 2018/05/22

 Suites   (details) Prime FRA   1KB/1KB Does calculations related to summations and series. By Mickaël Nicotera. 2017/04/27

 Sum of Two Squares   (details) Prime ENG   33KB/2KB Given a positive integer n, it can be possible to find two non-negative integers x and y such that n = x^2 + y^2. This program uses iterations to find all possible pairs which fit n = x^2 + y^2. Some integers do not have representations, others have more than one. The program will show all possible combinations. By Eddie W. Shore. 2019/08/29

 Surface and Flux Integrals   (details) Prime ENG   4KB/3KB Implementation of surface and flux integrals, returning the surface of the paraboloid. By Arno Kizina. 2017/11/05

 System of Two Linear Differential Equations 1.01   (details) Prime ENG   3KB/4KB Finds the solution to a system of two dífferential equations given as d(y1)/dx =*y1 + b*y2 + f(x) and d(y2)/dx =*y1 + d*y2 +g(x). For initial values x0, y1(x0), y2(x0) the constants of integration are calculated. A graph of both functions y1, y2 is provided. By Claus Martin Dachselt. 2018/12/09

 Tangent and Normal Line to a Curve Defined by f(x) 1.2   (details) Prime ENG   2KB/3KB This CAS program finds the normal (or perpendicular) line N(x) through a given point (xN,yN) to the curve of a given function f(x) and additionally computes the tangent in the common intersection point (xT,yT) of curve and N(x). By Claus Martin Dachselt. 2018/04/09

 The Two Train Problem   (details) Prime ENG   36KB/3KB Two trains are heading towards each other, on their own separate train track. Each train has going at their own speed (velocity). The trains start out a distance apart. This program calculates when and where the trains will cross over the same spot. By Eddie W. Shore. 2018/03/01

 Trapezoid Midsegment, Height, Area   (details) Prime ENG   2KB/2KB Calculates the midsegment, height, and area of a trapezoid. By Eddie W. Shore. 2017/06/24

 Trapezoid Rule Using Distinct Points   (details) Prime ENG   33KB/2KB Uses the Trapezoid Rule to estimate the area of any surface, given a list of measurements and the increment between the measurements. By Eddie W. Shore. 2019/06/17

 TRAPRULE   (details) Prime ENG   2KB/1KB Using the Trapezoidal Rule, approximates the integral of f(X): ∫f(X)dX=h/2*(f(a)+2*Σf(x_I)+f(b)), where a is the lower limit, b is the upper limit, n is the number of intervals, h is (b–a)/n, and x_I is a+h*I where I is from 1 to n-1. By Eddie W. Shore. 2016/08/06

 ULAM   (details) Prime ENG   1KB/1KB Uses Ulam's Conjecture to determine the number of steps it takes to reduce an integer N to 1. By Eddie W. Shore. 2013/10/05

 Unit Circle   (details) Prime ENG   1KB/3KB Diagram of the unit circle for trigonometric math. By Mickaël Nicotera. 2013/10/05

 Vertical Curve 1.01   (details) Prime ENG   2KB/6KB Creates a list with station and elevation information in L0. If a value between the VPC and VPT is entered in "Special Station", it returns data for that station only, if left at 0 the entire curve will be returned at the interval specified. By C.D. Dodds. 2014/10/18

 Vunit 1.0   (details) Prime   1KB/1KB Program to get a unit vector from a vector with N elements. By David González Gamboa. 2017/02/10

 Wilson Score   (details) Prime ENG   2KB/2KB Calculates the Wilson Score interval, a good way for ranking things like popularity and skill of video game players, given the total number of trials and the number of "likes". By Eddie W. Shore. 2017/08/25

 Winsorising   (details) Prime ENG   2KB/1KB Winsorising or Winsorisation is the transformation of statistics by limiting extreme values in the statistical data to reduce the effect of possibly spurious outliers. This program Winsorises the data. Values must be already in Statistic 1var (D1 matrix). The program puts the resulting items in D2. By Salvo Micciché (salvomic). 2016/08/04

 Wronskian   (details) Prime ENG   2KB/1KB Calculates the Wronskian of a matrix, producing the determinant or the Wronskian matrix. By Salvo Micciché (salvomic). 2015/08/23

 Z Std Maths 0.001   (details) Prime ENG   6KB/10KB Some standard mathematics routines, including base conversion, precision, and more. By Stephen Lewkowicz (G1CMZ). 2017/02/11

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