AKA: Electronic Slide Rule II, AKA (Label): MODEL NUMBER 801.58780, CALCULATOR, Product number (P/N): 80158780 (801.58780),
Keywords/Tags: 80158780 (801.58780) | Electronic Slide Rule II
Date of intro: ~1975, Origin: Mexico (List), Dimensions: 155x90x35mm, Weight: 180g,
Power: 6V: (AA x4) + Adaptor,
Display: Type = Display (VFD) (List), Digits = 8,
Number of keys: 20, #Key-Black: 1, #Key-White: 19,
Keyboard Array (Rows x Columns): 04x05,
Decimal switch: [F-2], Miscellaneous switch: [On-Off],
Classification: / Pocket,
Featuring: Scientific functions, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: SEARS_docu: 2520D3931225ML (Instr.) 801.58780,
Made by: ROCKWELL (List of all Import-OEM-models for SEARS),
Known Serial-numbers: 108441 (List of all S/Ns from SEARS)
Collector value: 7/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: WIKIMEDIA