Product number (P/N): SR20 (SR-20),
Keywords/Tags: SR20 (SR-20)
Date of intro: ~1975,
Display: Type = Display (VFD) (List),
Number of keys: 22, #Key-Blue: 7, #Key-Red: 4, #Key-White: 11,
Keyboard Array (Rows x Columns): 05x05,
Miscellaneous switch: [(Blank)-ON],
Classification: / Pocket,
Featuring: Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Collector value: 7/10,