Product number (P/N): 20S,
Keywords/Tags: 20S
Date of intro: 1976, Origin: Taiwan (List),
Power: 9V,
Number of keys: 18, #Key-Black: 5, #Key-Grey: 11, #Key-Red: 2,
Miscellaneous switch: [ON-OFF],
Classification: / Pocket,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Resemblance with: (Resemblance 060),
Collector value: 7/10,
Courtesy of: WENZEL Gerhard,