AKA (Label): CAT. NO 65-610, MODEL EC-231, Product number (P/N): 65610A (65-610A),
Keywords/Tags: 65610A (65-610A) | EC231 (EC-231) | 231
Date of intro: 1976, Origin: Japan (List), Dimensions: 133x76mm,
Power: 3V: (AA x2) + Adaptor, Adaptor: RADIO SHACK_adaptors: 14-854,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 20, #Key-Black: 9, #Key-White: 11,
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Main Components: TEXAS INSTRUMENTS: TMS0855NL,
Known Serial-numbers: 1064928A6 (106492, 8A6) | 1533779A6 (153377, 9A6) (List of all S/Ns from RADIO SHACK)
Collector value: 7/10,
Internet: Link-1: THE NATIONAL MUSEUM OF AMERICAN HISTORY