AKA: PROFESSIONAL SLIDE RULE, AKA (Label): PROFESSIONAL SLIDE RULE, MODEL 875 ELECTRONIC CALCULATOR, Product number (P/N): 875,
Keywords/Tags: 875 | PROFESSIONAL SLIDE RULE
Date of intro: ~1975, Origin: Hong Kong (List), Dimensions: 135x65x25mm, Weight: 85g,
Power: 6V: (AAA x4) + Adaptor,
Display: Type = Display (LED) (List), Digits = 8+1,
Number of keys: 23, #Key-Blue: 10, #Key-Red: 2, #Key-White: 11,
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Related with: RADOFIN_docu: (Instr.) 875; RADOFIN_parts: (Box) 875,
Main Components: WESTERN DIGITAL: FS1732B,
Other components: NATIONAL SEMICONDUCTOR: DS8855N,
Known Serial-numbers: 13982 | 17840 (List of all S/Ns from RADOFIN)
Collector value: 7.5/10,