AKA (Label): Model 77SR Slide Rule Calculator, Product number (P/N): 77SR,
Keywords/Tags: 77SR | Slide Rule Calculator
Date of intro: 1977, Dimensions: 135x75x30mm, Weight: 130g,
Power: 4.5V: (AA x3) + Adaptor,
Display: Type = Display (LED) (List), Digits = 12,
Number of keys: 25,
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Main Components: ROCKWELL: A4802CB,
Known Serial-numbers: 707055 (List of all S/Ns from TECHNICO)
Collector value: 7.5/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),