AKA: exponent 1, Product number (P/N): 395,
Keywords/Tags: 395 | exponent 1
Date of intro: 1974, Origin: USA (List), Dimensions: 133x81mm,
Power: 4.8V: (1.2V x4) Chargeable, Adaptor: KEYSTONE_adaptors: 275; KEYSTONE_adaptors: 275E,
Display: Type = Display (PANAPLEX II) (List), Brand = BURROUGHS: BR09250M, Digits = 8+1, Extra Display features: Type = Display (LED: as bulb) (List), Quantity = 1,
Number of keys: 22, #Key-Brown: 3, #Key-Orange: 4, #Key-White: 15,
Keyboard Array (Rows x Columns): 06x04,
Indicators: Charge,
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Main Components: ROCKWELL: A1241PA,
Known Serial-numbers: C244270 | C356537 | C377258 | C396007 (List of all S/Ns from KEYSTONE)
Initial Cost Price: USD140.00, Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: EARLY ELECTRONIC CALCULATOR TECHNOLOGY REFERENCE, Link-2: CALCULATORCOLLECTION