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APF: 50
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AKA: MARK 50, SCIENTIFIC CALCULATOR, AKA (Label): MARK 50, Model No. MARK-50, Product number (P/N): 50,
Keywords/Tags: 50 | MARK 50 | SCIENTIFIC CALCULATOR
Date of intro: ~1976, Origin: Japan (List),
Power: 9V + Adaptor,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 19, #Key-Black: 11, #Key-Red: 1, #Key-White: 7,
Miscellaneous switch: [ON-(Blank)],
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: APF_docu: 0405052 (Instr.) 50,
Main Components: GENERAL INSTRUMENT: CF596,
Resemblance with: MONTGOMERY WARD: P330,
Known Serial-numbers: J006839 (J-006839) | J018196 (J-018196) | J034751 (J-034751) | J043760 (J-043760) | J065550 (J-065550) | J082153 (J-082153) | J090669 (J-090669) | J091877 (J-091877) | J092529 (J-092529) | J092819 (J-092819) | J095136 (J-095136) | J30123 (J-30123) (List of all S/Ns from APF)
Collector value: 7/10,
Internet: Link-1: SMITHSONIAN MUSIC, Link-2: BOB's CALCULATORS and SLIDE RULES

Item

Accessories

Instructions
(Internals)

Label, name plate
S/N: J034751 (J-034751)

Label, name plate
S/N: J092529 (J-092529)

Label, name plate
S/N: J065550 (J-065550)

Created: 08-apr-2013, Manual-update: 22-jul-2019, Batch-update: 25-nov-2022             

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