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* [[154 | Model 154 RS-232C Interface]] | * [[154 | Model 154 RS-232C Interface]] | ||
These connect to the calculator through card-edge bus connector cables. | These connect to the calculator through card-edge bus connector cables. | ||
==Manuals== | |||
* [http://w140.com/tek_21_31_calc_interfacing.pdf Tektronix 21 and 31 calculators interfacing information] | |||
==Links== | ==Links== | ||
Revision as of 22:44, 2 May 2017
The Tektronix 31 is a programmable desktop calculator. It features program branching and a complete set of transcendental functions.
It is built around a custom LSI chip set.
Several interfaces were available:
- Model 152 General Purpose BCD Interface
- Model 153 Tektronix Instrument Interface
- Model 154 RS-232C Interface
These connect to the calculator through card-edge bus connector cables.
