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{{Instrument Sidebar
|manufacturer=Tektronix
|model=911
|class=Computer
|series=
|summary=Desktop statistical calculator
|image=Image needed.jpg
|caption=
|introduced=1969
|discontinued=(?)
|designers=
|manuals=
* ''please add'' [[Category:Manual needed]]
* [[Media:070-1280-00.pdf|Tektronix 909/911 Calculator Interface Manual]]
}}
The '''[[Cintra]]/Tektronix 911''' aka ''Statistician 911'' is a desktop statistical calculator with a [[Nixie]] display.
The '''[[Cintra]]/Tektronix 911''' aka ''Statistician 911'' is a desktop statistical calculator with a [[Nixie]] display.


It replaces the Log(x), tan(x), hyper, and π keys of its scientific-type sister model [[909]] with factorials and statistical functions.
It replaces the Log(x), tan(x), hyper, and π keys of its scientific-type sister model [[909]] with factorials and statistical functions.


The [[926|926 Programmer]] provides programming functionality with conditionals, branching and subroutines for the 909/911.
==Accessories==
* The [[926|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==
==Links==
* [http://www.oldcalculatormuseum.com/tek909.html Tek 909 @ oldcalculatormuseum.com]
* [http://www.oldcalculatormuseum.com/tek909.html Tek 909/911 @ oldcalculatormuseum.com]  
* [http://dustyoldcomputers.com/calculators/tek909/index.html Tek 909 @ dustyoldcomputers.com]
* [http://vintagetek.org/tektronix-calculators/ Tektronix calculators @ vintagetek.org]
* [http://vintagetek.org/tektronix-calculators/ Tektronix calculators @ vintagetek.org]
{{Documents|Link=911}}
{{PatentLinks|911}}


{{MissingPics}}


[[Category:Computers]]
[[Category:Computers]]
[[Category:Introduced in 1969]]

Latest revision as of 12:46, 12 July 2024

Tektronix 911
Desktop statistical calculator

Produced from 1969 to (?)

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

The Cintra/Tektronix 911 aka Statistician 911 is a desktop statistical calculator with a Nixie display.

It replaces the Log(x), tan(x), hyper, and π keys of its scientific-type sister model 909 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

Documents Referencing 911

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

Pictures

  • please add