TI-56 Programmable Calculator
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According to Texas Instruments the SR-56 was introduced May 21, 1976
The SR-56 uses like the SR-50, SR-51 and SR-52 the TMC0501 scalable calculator architecture. It is surrounded by the TMS0537 and TMC0538 SCOM (scanning read only memory) and the TMC0599 memory chip. his is a scientific calculator, successor to (or brother of) the TI SR-52. Unlike the TI SR-52 this one doesn't have a magnetic card reader. The TI SR-56 was followed shortly by the TI 57 which is similar in many ways but can not be connected to the PC-100 printer.
Date of introduction: May 21, 1976
Our calculator has a serial number 011835 LTA 0676 (June 1976) and was kindly donated by Francis Hookham
Manufacturer: Texas Instruments
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This exhibit has a reference ID of CH31290. Please quote this reference ID in any communication with the Centre for Computing History.