Product number (P/N): 65604 (65-604),
Keywords/Tags: 65604 (65-604) | EC220 | 220
Date of intro: 1976, Origin: Mexico (List), Dimensions: 152x76x24mm, Weight: 130g,
Power: 9V + Adaptor, Adaptor: RADIO SHACK_adaptors: 65-9001,
Display: Type = Display (LED) (List), Digits = 8,
Number of keys: 18, #Key-Red: 8, #Key-White: 10,
Keyboard Array (Rows x Columns): 05x04, Keyboard Layout: [%] [=] - [7] [8] [9] [(Division)] - [4] [5] [6] [x] - [1] [2] [3] [-] - [CE/C] [0] [.] [+],
Classification: / Pocket,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: RADIO SHACK_parts: (Box) EC220,
Components: 3 ... 2 Capacitor(s), 1 IC(s),
Main Components: ROCKWELL: 20167D67-03,
Original Equipment Manufacturer : ROCKWELL: 8R, Resemblance with: HOUSE OF FRASER: 8F; ROCKWELL: 9TR, (Resemblance 057), Made by: ROCKWELL (List of all Import-OEM-models for RADIO SHACK),
Known Serial-numbers: 113713 | 118765 | 204127 | 267057 | 294196 (List of all S/Ns from RADIO SHACK)
Initial Cost Price: USD16.95, Collector value: 7.5/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1, Link-2: THE NATIONAL MUSEUM OF AMERICAN HISTORY, Link-3