Hi,
My KDP-2 program is, as before mentioned, freely downloadable with all source and files from
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I still sell user support, but the code should be considered OPEN SOURCE for individuals, companies, schools, government labs and anyone else with an internet connection.
Jim Klein
James E. Klein Engineering Calculations KDP2 Optical Design Program and Design Work
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1-818-823-4121
1-818-507-5706 (Fax)
1377 E. Windsor Rd., #317 Glendale, CA 91205