Cintra

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Cintra, Inc. was a company in Sunnyvale, CA, that produced early desktop calculators.

Cintra ad in Science, 1970

The Cintra calculators were re-branded as Tektronix products when Tek bought Cintra in May 1971:

  • Scientist 909 desktop scientific calculator with a Nixie display
  • Statistician 911 desktop statistical calculator with a Nixie display
  • 926 Programmer provides programming functionality with conditionals, branching and subroutines for the 909/911
  • 928 Instructor (cassette interface)
  • 941 printer
  • 923 card reader
  • 920 "Repeater"
  • 905 Junction box

Links

Documents Referencing Cintra

Document Class Title Authors Year Links
Tekscope 1971 V3 N5 Sep 1971.pdf Article The Tektronix Scientist 909 Dave Takagishi 1971