AKA: MARK 61, EXECUTIVE, AKA (Label): EXECUTIVE, MODEL NO. MARK 61, Product number (P/N): 61,
Keywords/Tags: 61 | MARK 61 | EXECUTIVE
Date of intro: 1976, Origin: Japan (List),
Power: 3V: (AAA x2) + Adaptor, Adaptor: APF_adaptors: 751S,
Display: Type = Display (VFD) (List), Digits = 8,
Number of keys: 24, #Key-Beige: 8, #Key-Grey: 5, #Key-White: 11,
Keyboard Array (Rows x Columns): 05x05,
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Related with: (Docu_Articles): 197703: Electronic calculators get better and better; APF_parts: (Box) 61,
Collector value: 7/10,
Internet: Link-1: SMITHSONIAN MUSIC