909

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

• Tek 909/911 @ oldcalculatormuseum.com
• Tek 909 @ dustyoldcomputers.com
• Tektronix calculators @ vintagetek.org

Pictures

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