AKA: EC-4075, PROGRAMMERS HEX & TIME CALCULATOR, AKA (Label): Cat. No. 65-990, Model No EC-4075, Product number (P/N): 65990 (65-990),
Keywords/Tags: 65990 (65-990) | EC4075 (EC-4075) | PROGRAMMERS HEX & TIME CALCULATOR
Date of intro: 1985, Origin: Japan (List),
Power: 3V: (AA x2),
Display: Type = Display (LCD) (List),
Number of keys: 27, #Key-Grey: 26, #Key-White: 1,
Miscellaneous switch: [LOCK-SET-CAL],
Classification: / Pocket / Converter / Time,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: (Docu_Catalogs): TANDY (RADIO SHACK): 1986,
Known Serial-numbers: 5009058 | 5031462 | 7048181 (List of all S/Ns from RADIO SHACK)
Collector value: 7/10,
Internet: Link-1: MY CALCULATORS DATABASE