909

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Tektronix 909
Desktop scientific calculator
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Produced from 1969 to (?)

Manuals
(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The Cintra/Tektronix 909 aka Scientist 909 is a desktop scientific calculator with a Nixie display.

Sister model Statistician 911 replaces the Log(x), tan(x), hyper, and π keys with factorials and statistical functions.

Accessories

  • The 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

Pictures

  • please add