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GemCad
by Robert W. Strickland

GemCad is a computer-aided design program for PC compatibles. GemCad is an old DOS program but still runs OK in a DOS box under Win9x. A Win9x version of GemCad is in the works, but in the meantime, I decided to offer the DOS version free of charge. GemRay is a raytracing program that analyzes the optical performance of designs made by GemCad. The GemCad Print Utility is a Windows 95/98 program that prints designs made by GemCad on any Windows printer. GemCad and GemRay software are Copyright © 1993 by Robert W. Strickland, all rights reserved. The GemCad Print Utility software is Copyright © 1999 by Robert W. Strickland, all rights reserved. GemCad and GemRay HTML versions of the manuals linked below are Copyright © 2001 by Robert W. Strickland, all rights reserved.

Online users are encouraged to visit the Official GemCad Web Site to obtain and download the most up-to-date GemCad files and documentation.
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