RPN

A collection of powerful RPN calculator programs for the SHARP PC-G850(V)(S) and PC-1475.

The RPN programs are written in BASIC. The programs can be easily extended to add custom operations and user-defined functions.

Familiarity with RPN calculators, in particular the HP-15C, is recommended.

Features

• complex arithmetic with separate stack registers for real and imaginary parts
• 10 memory registers R0 to R9
• one and two variable statistical functions
• regression
• hyperbolic and trigonometric functions for complex values
• coordinate conversions to polar and rectangular
• combinatorial functions nPr, nCr and !
• gamma function
• GCD and LCM
• rational approximation of a decimal

How to use

• SHARP PC-G850(V)(S)

• SHARP PC-1475

How to load

Use the excellent PocketTools to convert BASIC source code to wav files:

bas2img --pc=G850 --level=8 rpn.bas
bin2wav --pc=G850 rpn.img

Then BLOAD or CLOAD on your pocket computer.

Author: Dr. Robert A. van Engelen