AKA (Label): Abacus.D., ELECTRONIC CALCULATOR, Product number (P/N): AbacusD (Abacus D),
Keywords/Tags: AbacusD (Abacus D)
Date of intro: ~1978, Origin: Japan (List),
Display: Type = Display (VFD) (List),
Number of keys: 25, #Key-Black: 20, #Key-Orange: 1, #Key-White: 4,
Decimal switch: [F-0-2-3-4], Round switch: [(ArrowDown)-5/4], Miscellaneous switch: [OFF-ON],
Classification: / Desktop with Display,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Resemblance with: (Resemblance 502),
Known Serial-numbers: 00002394 (List of all S/Ns from PRESIDENT)
Collector value: 7/10,