AKA (Label): EC-400, ELECTRONIC CALCULATOR,
| EC400 (EC-400) | 400
Date of intro: 1975, Origin: USA (List), Mexico (List), Dimensions: 133x83x38mm,
Power: Rechargeable, Adaptor: BOWMAR_adaptors: B901-077-4,
Display: Type = Display (LED) (List), Brand = BOWMAR: Optostic,
Number of keys: 25, #Key-Black: 24, #Key-Red: 1,
Miscellaneous switch: [(Sigma)-(Blank) (Blank)-ON],
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Related with: RADIO SHACK_docu: (Instr.) EC400,
Main Components: WESTERN DIGITAL: LC1692B,
Other components: BOWMAR: BD5021 {2x}; ITT: B6370 {2x},
Resemblance with: BOWMAR: 91505, Made by: BOWMAR (List of all Import-OEM-models for RADIO SHACK),
Known Serial-numbers: 118292 | 118929 | 133232 | 142456 | 145911 | 146469 (List of all S/Ns from RADIO SHACK)
Initial Cost Price: USD99.95, Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: VIRTUAL MUSEUM OF CALCULATORS