AKA: Datamath, Product number (P/N): 2500,
Keywords/Tags: 2500 | Datamath
Date of intro: sep-1972, Origin: United Kingdom (List), USA (List), Dimensions: 140x74x44mm,
Power: Rechargeable,
Display: Type = Display (LED) (List),
Number of keys: 18, #Key-Beige: 6, #Key-Orange: 1, #Key-White: 11,
Keyboard Array (Rows x Columns): 05x04,
Miscellaneous switch: [CHAIN-CONST],
Classification: / Pocket,
Featuring: Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: PRIVILEG_docu: (Broch.) version-1,
Main Components: TEXAS INSTRUMENTS: TMS0119NC,
Other components: TEXAS INSTRUMENTS: SN75492,
Serie-members: TEXAS INSTRUMENTS: 2500 (version-1) (;[CE/D]-key, Keyboard Beige); TEXAS INSTRUMENTS: 2500 (version-2) ([CE/D]-key, Keyboard Black); TEXAS INSTRUMENTS: 2500 (version-3) ([CE]-key, Keyboard Black, Rechargeable); TEXAS INSTRUMENTS: 2500 (version-4) ([CE]-key, Keyboard Black, Rechargeable + normal batteries),
Known Serial-numbers: 250030576 (2500-30576) | A021447 (A 021447) (List of all S/Ns from TEXAS INSTRUMENTS)
Collector value: 9/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: VINTAGE CALCULATORS WEB MUSEUM