hpcalc.org - HP Prime Archive

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 99 files totaling 6436KB in this category.

Airy   (details) Prime ENG   3KB/5KB
Calculates the Airy functions, Ai and Bi.
Author unknown. 2015/08/19

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 Calc   (details) Prime POR   43KB/12KB
ScreenshotProgram 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 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
ScreenshotPerforms base conversions, including fractional parts.
By Han Duong (HPSolo). 2017/02/11

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

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

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 Shore. 2015/08/20

Boolean   (details) Prime   6KB/23KB
ScreenshotBuilds 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 Shore. 2017/02/11

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 Shore. 2016/08/04

Casio-Style ENG Button   (details) Prime ENG   4KB/5KB
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).
Author unknown. 2016/08/03

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

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 Shore. 2015/08/20

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

Control Systems Stability   (details) Prime ENG   3KB/3KB
ScreenshotFor 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 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
ScreenshotYet 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
ScreenshotConverts 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

Curve Calculator   (details) Prime ENG   9KB/30KB
ScreenshotHorizontal 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 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 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 Shore. 2016/08/06

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

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

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

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

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 Shore. 2017/02/11

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 Shore. 2017/02/11

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 Shore. 2017/02/11

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 Shore. 2016/08/03

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 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

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 Shore. 2016/08/04

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

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

Interpolator 1.0   (details) Prime ENG   360KB/3KB
ScreenshotHelps 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

Jacobian   (details) Prime ENG   2KB/1KB
CAS program that calculates the Jacobian of a Matrix.
By Salvo Micciché (salvomic). 2015/08/20

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

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
ScreenshotLinear 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

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
ScreenshotA bean machine to demonstrate the central limit theorem.
By Mickaël Nicotera. 2013/12/22

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

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

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
ScreenshotSolves 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

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 Shore. 2015/08/20

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'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

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

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 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 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 Shore. 2017/03/05

PDQ Algorithm   (details) Prime ENG   5KB/1KB
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. 2015/08/19

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
ScreenshotExtended Euclidean algorithm program.
By Mickaël Nicotera. 2013/10/05

Pitch vs Angle   (details) Prime ENG   3KB/2KB
ScreenshotCalculates 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 Shore. 2017/02/11

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 Shore. 2017/02/11

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 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

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

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 Shore. 2017/02/11

QPI 4.3   (details) Prime ENG   19KB/10KB
HP Prime port of QPI 4.3 (originally for the HP48 series)
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 Shore and Salvo Micciché (salvomic). 2016/08/03

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

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

RPN Keystroke Simulator 1.0   (details) Prime ENG   602KB/28KB
ScreenshotOffers 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 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 Shore. 2015/08/23

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

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

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 Shore. 2017/04/22

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

Simplex 20.13   (details) Prime ENG   663KB/88KB
ScreenshotSolves 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
ScreenshotUsing 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 Shore. 2016/08/06

Simulateur Probas   (details) Prime ENG FRA   3KB/5KB
ScreenshotProbability simulator.
By Mickaël Nicotera. 2013/12/22

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   989KB/280KB
ScreenshotHelps 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. 2017/02/10

SolveSys 1.000   (details) Prime ENG   537KB/252-301KB
ScreenshotIntended 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 Quadratic Equations Step-By-Step   (details) Prime ESP   114KB/73KB
ScreenshotSolves 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 <Solve App> to Numerically solve Special Product equations. Includes comprehensive PDF documentation.
By Bernard Michaud. 2016/08/06

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

TRAPRULE   (details) Prime ENG   2KB/1KB
ScreenshotUsing 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 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 Shore. 2013/10/05

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

Vertical Curve 1.01   (details) Prime ENG   2KB/6KB
ScreenshotCreates 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
ScreenshotProgram to get a unit vector from a vector with N elements.
By David González Gamboa. 2017/02/10

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

Part of the HP Calculator Archive,
Copyright 1997-2017 Eric Rechlin.