AKA: ESR-817, Product number (P/N): ESR817 (ESR-817),
Keywords/Tags: ESR817 (ESR-817)
Date of intro: ~1975,
Power: Rechargeable,
Display: Type = Display (LED) (List),
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,
Resemblance with: MBO: ESR817 (version-1); MINTRON: ESR817; SERD: ESR817,
Collector value: 7.5/10,