AKA: Mini 501 Auto Constant, Product number (P/N): 501,
Keywords/Tags: 501 | Mini | Auto Constant
Date of intro: ~1974, Origin: Korea (List), Dimensions: 143x75x25mm, Weight: 125g,
Power: 4.5V: (AA x3) + Adaptor,
Display: Type = Display (LED) (List),
Number of keys: 18, #Key-Blue: 6, #Key-Red: 1, #Key-White: 11,
Miscellaneous switch: [ON-OFF],
Classification: / Pocket,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),