AKA: MARK 56, AKA (Label): MODEL NO. MARK 56, Product number (P/N): 56,
Keywords/Tags: 56 | MARK 56
Date of intro: ~1977, Origin: Japan (List),
Adaptor: APF_adaptors: 751S,
Display: Type = Display (LED) (List), Digits = 8+1+(2+1),
Number of keys: 40, #Key-Blue: 13, #Key-Grey: 12, #Key-White: 15,
Keyboard Array (Rows x Columns): 08x05,
Miscellaneous switch: [ON-OFF],
Classification: / Pocket,
Featuring: Scientific functions, Procent, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Resemblance with: HIRADASTECHNIKA SZOVETKEZET: TK1072-1,
Known Serial-numbers: A007141 (A-007141) (List of all S/Ns from APF)
Collector value: 8/10,

!!! This item is WANTED to join the collection !!!