AKA (Label): ELECTRONIC CALCULATOR, Product number (P/N): 312,
Keywords/Tags: 312
Date of intro: 1974, Origin: USA (List), Dimensions: 152x76x36mm, Weight: 145g,
Power: 6V: (AA x4) + Adaptor, Adaptor: CORVUS_adaptors: A3310,
Display: Type = Display (LED) (List), Digits = 8+1,
Number of keys: 20, #Key-Black: 11, #Key-Grey: 8, #Key-Orange: 1,
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: (Docu_Catalogs): EATON: 197512 Christmas,
Main Components: MOSTEK: MK5020A,
Resemblance with: ELEKTRONIKA: B3-14M,
Known Serial-numbers: 0312130845 (0312-130845) | 3120230041 (312-0230041) | 3120234468 (312-0234468) | 3120250041 (312-0250041) | 312161125 (312-161125) | 312165668 (312-165668) | 312174584 (312-174584) | 312177025 (312-177025) (List of all S/Ns from CORVUS)
Initial Cost Price: USD69.95, Collector value: 7.5/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: DATAMATH CALCULATOR MUSEUM, Link-2: SMITHSONIAN MUSIC