Digimatic D8 (Model No. 41024) Calculator

Manufacturer: Digimatic
Model: D8 (Model No. 41024)
Year: 1974
Form: Pocket
Functions: Scientific
Number of Digits: 8
Display Type: LED
Logic Technology: LSI
Diodes: 13
Transistors: 6
IC Complement:Rockwell A4001 15471PA
ITT B6249 (2)
ITT B6370 (2)
(5 total)
Batteries: (?) NiCd
Power Connector:(?), 3-pin special
(replacement: 3.5 to 6VDC, + tip, DC)
Tech. Data Level: 2
Tech. Data Source: RE
Tech. Data Pages: 1
Tech. Data:Schematic (pdf)

Another Digimatic model made for Sears by Bowmar.


- Unit Log -

Serial Number: 118685
Year of Manufacture: 1974 (A4001 IC stamped with 7426, others ICs with 7411, 7413, 7414.)
Date of Receipt: 21 May 2001
Source: de Champlain.
State upon Receipt: Fair physical condition, original power connector had been removed and a hole made in the side for a new connector. Functional, except "L" low battery indicator always on. Rechargeable battery pack had been removed.
Current State: Fully functional (2020 Feb) (28 May 2001).

Date: 28 May 2001
Procedure: Cleaned.

Date: 28 May 2001
Symptoms: "L" low battery indicator always on.
Solution: 750 ohm resistor in voltage sensing circuit had drifted up to ~950 ohms. Replaced.

  Digimatic D8 (Model No. 41024)
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