hpcalc.org - HP 28 Archive

HP 28 Graphics Utilities

The first size listed is the downloaded file size and the second size listed is the size on the calculator.

There are 9 files totaling 857 KB in this category.

3D Graphs   (details) 28 ENG   2 KB / 1 KB
A very slow 3D graphing program.
By Yngvi Sigurjonsson. 2017-08-11

Fractal   (details) 28 ENG   2 KB / 1 KB
Mandelbrot set fractal generator.
By John Adams. 1998-07-31

Graphics Compressor   (details) 28 ENG   2 KB / 1 KB
Another RLE compressor/decompressor.
By Randy Elton Ding. 1998-07-31

Graphing with the HP-28S   (details) 28 ENG   839 KB
Paper which presents a system of programs to make graphing easier on the 28S. They enable students to reflect on and refine a variety of examples without being distracted by the mechanics of operating the calculator, and allow one to change the center and scale of the viewing window easily, as well as to recover the previous viewing window.
By John Selden and Annie Selden. 2020-09-30

Mandelbrot   (details) 28 ENG   2 KB / 1 KB
Another Mandelbrot set plotter.
By Glen Kilpatrick. 1998-07-31

Pixel   (details) 28 ENG   4 KB / 1 KB
Pixel manipulation package.
By Eric Toonen. 1998-07-31

RLE Decoding/Encoding   (details) 28 ENG   1 KB / 1 KB
Allows you to compress 28 grobs with RLE.
By Eugeni Bobrov. 1998-07-31

Screen Compression   (details) 28 ENG   2 KB / 1 KB
Screenshot compression and decompression routines.
By Robert Peraino. 1998-07-31

Sketch   (details) 28 ENG   3 KB / 1 KB
Set of routines for sketching pictures.
By Alan Weiss. 1998-07-31

Part of the HP Calculator Archive,
Copyright 1997-2024 Eric Rechlin.