Technical Systems Consultants

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Technical Systems Consultants (TSC) was a United States software company.[1][2] Headquartered first in West Lafayette, Indiana (it was started by Don Kinzer and Dave Shirk, EE graduate students at Purdue University) and later (1980) moved to Chapel Hill, North Carolina, it was the foremost supplier of software for SWTPC compatible hardware, as well as many other early makes of personal computers. Their software included operating systems (Flex, mini-FLEX, FLEX09, and UniFlex) and various languages (several BASIC variants, FORTRAN, Pascal, C and assemblers).[3]


  1. ^ Hawkens, William (February 1978). "Goodbye, typewriter; hello, word processor". Popular Science. Vol. 220 no. 2. New York: Times Mirror Magazines. pp. 79–81, 126. ISSN 0161-7370. 
  2. ^ Technical Systems Consultants (February 7, 1979). "TSC software advertisement". Intelligent Machine Journal. InfoWorld Media Group. 1 (2): 12. ISSN 0199-6649. 
  3. ^ Puckett, Dale (April 13, 1981). "68XX's Family Is Extended". InfoWorld. Vol. 3 no. 7. InfoWorld Media Group. pp. 46–48. ISSN 0199-6649.