AKA: EC-4001, Programmable, AKA (Label): EC-4001, CAT. NO. 65-651, Product number (P/N): 65-651,
Keywords/Tags: 65-651 | EC4001 (EC-4001) | Programmable
Date of intro: 1977, Origin: United Kingdom (List), Dimensions: 111x50x28mm,
Power: 9V,
Display: Type = Display (LED) (List),
Number of keys: 19, #Key-Grey: 19,
Classification: / Pocket,
Featuring: Scientific functions, Square root, Programmable, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1, Programmable Steps: 36,
Related with: RADIO SHACK_docu: 48584670 (Instr.) Program Library (EC4001); RADIO SHACK_docu: 48584660 (Instr.) Owner's Manual (EC4001),
Original Equipment Manufacturer : SINCLAIR: Cambridge Programmable, Made by: SINCLAIR (List of all Import-OEM-models for RADIO SHACK),
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: VINTAGE CALCULATORS WEB MUSEUM, Link-2: VINTAGE CALC