Product number (P/N): TR4,
Keywords/Tags: TR4
Date of intro: ~1974, Origin: Germany (List), Dimensions: 171x58x16mm, Weight: 140g,
Power: Button: (x4),
Display: Type = Display (LED) (List), Digits = 12,
Number of keys: 25, #Key-Beige: 6, #Key-Green: 6, #Key-Orange: 2, #Key-White: 11,
Keyboard Array (Rows x Columns): 05x08,
Miscellaneous switch: [0-1 °-rad],
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: FABER-CASTELL_docu: (Broch.) *: Met diesen Rechner...; FABER-CASTELL_docu: (Instr.) TR4; FABER-CASTELL_parts: (Box) TR4,
Collector value: 8/10,