CP is a simple UserRPL program that attempts to find the critical points for any given function. It also gives the local Maximum and Minimum points, and F(x) at these points. It is handy for high school students to verify they have the right answer in exams. CP also complements the built in grapher, by giving exact answers for critical points.
HLDRAW does what WIREFRAME should have done: fast, true photographic, hidden line removed 3D plotting. It is possible to easily adjust the viewpoint so that you can rotate the graph.
This library makes log-scale graphs for the 49G/49G+/50G. Plot types "Function", "Scatter" and "Parametric" are implemented. In the type "Function", TRACE and (X,Y) in the 49G plot menu are available. Non-uniform logarithmic tick, zoom-in, zoom-out and recenter are implemented. Faster than previous versions.
Automatically draws a scatterplot with the data of SDAT. First draws the points and then you can choose the type of regression for the graphic. Also, you can simply join the points of the graphic.