AKA: RICOMAC X*10, AKA (Label): X-10, CODE 7554, Product number (P/N): 7554,
Keywords/Tags: 7554 | X10 (X*10)
Date of intro: 1974, Origin: Japan (List),
Power: Rechargeable, Adaptor: RICOH_adaptors: RX10,
Display: Type = Display (LED) (List), Digits = 8+1,
Number of keys: 26, #Key-Black: 24, #Key-Green: 2,
Keyboard Array (Rows x Columns): 06x05,
Miscellaneous switch: [OFF-ON RAD-DEG],
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: RICOH_docu: 75548501 (Instr.) X10; RICOH_parts: (Box) X10,
Main Components: LITRONIX: 8098-002; HEC: KB625801; RICOH: 75544200,
Known Serial-numbers: 15979 | 22574 (List of all S/Ns from RICOH)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),