Early
Electronic
Calculator		 Commodore US*1 Calculator

Manufacturer: Commodore
Model: US*1
Year: 1973
Form: Desktop
Functions: Basic four, constant
Number of Digits: 8
Display Type: PPX2
Display:Burroughs BR 092?? (Panaplex II) (presumed)
Logic Technology: LSI
Diodes: 20
Transistors: 20
IC Complement:General Instrument C-500
Tech. Data Level: 2
Tech. Data Source: RE
Tech. Data Pages: 1
Tech. Data:Schematic (pdf)


Internal view.
Electronics board. This model does not have a power transformer, the electronics is not isolated from the mains.

- Unit Log -

Serial Number: P01258
Year of Manufacture: 1973 (IC stamped with 7320)
Date of Receipt: 07 Jul 2003
Source: Seymour St. second-hand store.
State upon Receipt: Rather grubby. Functional.
Current State: Fully functional (09 Jul 2003).

Date: 08 Jul 2003
Procedure: Cleaned.


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