AKA: Made in U S A, Product number (P/N): 98,
Keywords/Tags: 98
Date of intro: 1974, Origin: USA (List), Dimensions: 133x81x45mm, Weight: 180g,
Power: Rechargeable,
Display: Type = Display (Gas disharge) (List), Digits = 8+1,
Number of keys: 20, #Key-Black: 15, #Key-Blue: 5,
Decimal switch: [DECIMAL_Normal-$], Miscellaneous switch: [MEMORY_On-Off],
Classification: / Pocket,
Featuring: Procent, Memories: 1,
Known Serial-numbers: C334418 (C 334418) (List of all S/Ns from KEYSTONE)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),