AKA: AUTO-POWER-OFF, PERMANENT MEMORY, AKA (Label): MODEL LD22, Product number (P/N): LD22,
Keywords/Tags: LD22 | PERMANENT MEMORY
Date of intro: ~1981, Origin: Japan (List), Dimensions: 205x131x36mm, Weight: 315g,
Power: 3V: (AA x2),
Display: Type = Display (LCD) (List),
Number of keys: 31, #Key-Orange: 2, #Key-White: 20, #Key-Yellow: 9,
Decimal switch: [F-0-2-4-6-AM], Round switch: [(ArrowUp)-5/4-(ArrowDown)],
Classification: / Desktop with Display,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: (Docu_Catalogs): ARGOS: 1982,
Known Serial-numbers: H3070212 | H3070462 (List of all S/Ns from BROTHER)
Collector value: 7/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),