AKA: MARK 51, Scientific Calculator, AKA (Label): MARK 51, Model No. MARK-51, Product number (P/N): 51,
Keywords/Tags: 51 | MARK 51 | Scientific Calculator
Date of intro: 1975, Origin: Japan (List),
Power: 9V, Adaptor: APF_adaptors: 710; APF_adaptors: 751S,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 19, #Key-Black: 11, #Key-Red: 1, #Key-White: 7,
Keyboard Array (Rows x Columns): 04x05,
Miscellaneous switch: [on-off deg-rad],
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: APF_docu: 0405151 (Instr.) 51,
Main Components: GENERAL INSTRUMENT: CF596,
Known Serial-numbers: J104455 ( J-104455) | J010358 (J-010358) | J011350 (J-011350) | J023045 (J-023045) | J028143 (J-028143) | J051672 (J-051672) | J057878 (J-057878) | J064346 (J-064346) | J089672 (J-089672) (List of all S/Ns from APF)
Collector value: 7/10,
Internet: Link-1: EARLY ELECTRONIC CALCULATOR TECHNOLOGY REFERENCE