Product number (P/N): Executive,
Keywords/Tags: Executive
Date of intro: 1972, Origin: United Kingdom (List), Dimensions: 138x56x9mm,
Power: Button: (x3) or Button: (x4),
Display: Type = Display (LED) (List), Digits = 8,
Number of keys: 18, #Key-Black: 18,
Decimal switch: [6-4-2-F], Miscellaneous switch: [K-(Blank)],
Classification: / Pocket,
Featuring: Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Main Components: TEXAS INSTRUMENTS: TMS0103NC; or; TEXAS INSTRUMENTS: TMS1802NC,
Serie-members: SINCLAIR: Executive (version-1) ([K]-switch, decimal-switch); SINCLAIR: Executive (version-2) ([L-H]-switch, no decimal-switch),
Known Serial-numbers: 34668 (List of all S/Ns from SINCLAIR)
Collector value: 9/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Info: First 'Slimline' pocket (UK)
Internet: Link-1: WIKIPEDIA, Link-2: VINTAGE CALCULATORS WEB MUSEUM