QuickBasic Solution to the FH Phase Problem

updated October 27, 1998

Save the program as c:\FH.BAS
Get an MS-DOS prompt (go to "Start" and look for and click on MS-DOS icon)
Type QBasic from MS-DOS prompt. A klutzy-looking blue interface will open up.
From the "File...Open..." menu, open the program you downloaded.
Theoretically, it runs! If not, you'll have to see me.
Run it from the "Run....Start..." Menu
The program prompts you for Sigma.
On an old, slow computer, you can have the program "Beep" each time it finds a solution. On a modern computer, this will probably just be one continuous beep.
The program will find solutions and make a really crude plot. If you haven't plotted anything to screen before, you may study how this is done. Actually, the code used here is not that different from the plotting code you use in a modern language, like Visual Basic.
Push Shift+PrintScreen to make a screen dump
Open a word processor (e.g., Word)
Paste the Screen Dump there and print.
Re-run the program with different Sigma to see how the phase diagram changes. .