AKA: MINI HANDY 80SR, ELECTRONIC CALCULATOR, AKA (Label): MINI HANDY 80SR, Product number (P/N): 80SR,
Keywords/Tags: 80SR | MINI HANDY
Date of intro: ~1974, Origin: Japan (List), Dimensions: 152x81x21mm, Weight: 210g,
Power: 4.5V: (AA x3),
Display: Type = Display (LED) (List), Digits = 8+1,
Number of keys: 26, #Key-Black: 11, #Key-Grey: 14, #Key-Red: 1,
Keyboard Array (Rows x Columns): 06x05,
Miscellaneous switch: [DEG-RAD OFF-ON],
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: UNITREX_docu: (Instr.) 80SR; UNITREX_docu: A4902010L (Instr.) 80SR,
Original Equipment Manufacturer : UNITREX: 80SR (List of all Export-OEM-models from UNITREX), Resemblance with: MBO: alpha,
Known Serial-numbers: A47F95876 | A47F96772 | A57J52645 | A57K82111 | A57K85324 | A57K85588 (List of all S/Ns from UNITREX)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),