Product number (P/N): 709,
Keywords/Tags: 709
Date of intro: ~1977, Origin: Singapore (List), Dimensions: 138x76x20mm, Weight: 84g,
Power: 3V: (AA x2) + Adaptor,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 20, #Key-Grey: 9, #Key-White: 11,
Miscellaneous switch: [OFF-CH-ON],
Classification: / Pocket,
Featuring: Procent, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Main Components: TEXAS INSTRUMENTS: TMS1044NL,
Serie-members: RAPIDEX: 709 (version-1) (Also Brown keys); RAPIDEX: 709 (version-2) (Also Grey keys),
Known Serial-numbers: 396284 (List of all S/Ns from RAPIDEX)
Collector value: 7/10,
Internet: Link-1: MY CALCULATORS DATABASE