See the file tope.txt for some history and explanation of this software. Executables are DOS-16 command-line programs demanding complete access to very basic and primitive graphics, so they should run in an MS-DOS shell under Windows on any reasonably capable PC. Source codes are in Pascal and use system and graphics calls from Borland's Turbo Pascal 3.

• cube.com (31918 bytes), a four-dimensional hypercube visualization program, in executable form for DOS 2.0 or higher.
• cube.pas (8012 bytes), the Turbo Pascal 3 source code for cube.com.
• tope.com (32946 bytes), a four-dimensional hypercube, simplex, and hexadecagon visualization program, in executable form for DOS 2.0 or higher.
• tope.pas (10218 bytes), the Turbo Pascal 3 source code for tope.com.
• tope.txt (1010 bytes), some documentation and history concerning TOPE.