AKA: ESR-817, AKA (Label): ELECTRONIC SLIDE RULE, Model: ESR-817, Product number (P/N): ESR817 (ESR-817),
Keywords/Tags: ESR817 (ESR-817)
Date of intro: ~1974, Origin: Korea (List), Dimensions: 132x80x20mm, Weight: 155g,
Power: Rechargeable, Adaptor: MBO_adaptors: DC630,
Display: Type = Display (LED) (List), Digits = 8+1,
Number of keys: 26, #Key-Blue: 7, #Key-Red: 8, #Key-White: 11,
Miscellaneous switch: [ON-OFF RAD-DEG],
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Main Components: ROCKWELL: 15471PA,
Resemblance with: MEMORY DEVICES: ESR817; MINTRON: ESR817; SERD: ESR817,
Serie-members: MBO: ESR817 (version-1) (LED); MBO: ESR817 (version-2) (VFD),
Known Serial-numbers: 4107811 | 4108213 (List of all S/Ns from MBO)
Collector value: 7.5/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),