AKA: R-90, AKA (Label): ELECTRONIC CALCULATOR, Product number (P/N): R90 (R-90),
Keywords/Tags: R90 (R-90)
Date of intro: ~1975, Origin: Taiwan (List),
Power: 3V,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 23, #Key-Blue: 7, #Key-Red: 5, #Key-White: 11,
Keyboard Array (Rows x Columns): 05x05,
Miscellaneous switch: [(ArrowDown)-ON],
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Collector value: 7/10,