Product number (P/N): 4 Function,
Keywords/Tags: 4 Function
Date of intro: ~1975,
Number of keys: 19, #Key-Black: 11, #Key-Blue: 5, #Key-Red: 3,
Keyboard Array (Rows x Columns): 03x07,
Classification: / Pocket / Prototype,
Featuring: Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Collector value: 9/10,
Info: Rare prototype, made of metal and/or resin and painted mustard yellow