Early
Electronic
Calculator		 Royal Digital V Calculator

Manufacturer: Royal
Model: Digital V
Year: 1972
Form: Pocket
Functions: Basic four
Number of Digits: 8
Display Type: VFM
Display:FUTABA 8-CT-01
Logic Technology: LSI
Diodes: 11
Transistors: 23
IC Complement:General Instrument 251F
Mitsubishi M58212 (2)
Batteries: (?) NiCd
Power Connector:(?) VAC, 3-pin triangle special
(alternate/no batteries: 4.5 to 6 VDC, + left, - right)
Tech. Data Level: 2
Tech. Data Source: RE
Tech. Data Pages: 1
Tech. Data:Schematic (pdf)

Notes:
  • To open case, release snap-tab at rear by pressing above seam.

   

- Unit Log -

Serial Number: 82 21574
Year of Manufacture: 1972 (IC stamped with 7233, display with 2K.)
Date of Receipt: 21 May 2001
Source: de Champlain.
State upon Receipt: Good physical condition. Missing power adapter with special connector. Rechargeable battery pack had been removed.
Current State: Fully functional (2020 Feb) (23 May 2001).

Date: 23 May 2001
Procedure: Cleaned.


  Royal Digital V
Calculators | Integrated Circuits | Displays | Simulations
EEC 		bhilpert