Early
Electronic
Calculator
Texas Instr. ?3500? Calculator

Manufacturer: Texas Instr.
Model: ?3500?
Year: 1975
Form: Desktop
Functions: Basic four, constant
Number of Digits: 10
Display Type: PPX2
Display:Burroughs BR 11453 (Panaplex II)
Logic Technology: LSI
Diodes: 20
Transistors: 25
IC Complement:Texas Instruments TMS 0106 NL
Tech. Data Level: 2
Tech. Data Source: RE
Tech. Data Pages: 1
Tech. Data:Schematic (pdf)

This information is based on a unit without the case, the model number is presumed from observation of pictures on other web sites.


- Unit Log -

Serial Number: (unknown)
Year of Manufacture: 1975 (Integrated circuit stamped with 7508, APR 16 1975 on plastic bracket)
Date of Receipt: 1970s
Source: Unknown.
State upon Receipt: Unknown.
Current State: (case discarded)



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