AKA: 813 SR, AKA (Label): ELECTRONIC CALCULATOR, MODEL 813SR, Product number (P/N): 813SR (813 SR),
Keywords/Tags: 813SR (813 SR)
Date of intro: 1979, Origin: Japan (List), Dimensions: 144x77x22mm,
Power: 3V: (AA x2),
Display: Type = Display (LCD yellow) (List), Digits = 5+1+(2+1),
Number of keys: 29, #Key-Blue: 17, #Key-Orange: 1, #Key-White: 11,
Miscellaneous switch: [OFF-ON],
Classification: / Pocket,
Featuring: Procent, Square root, PI, Memories: 1,
Known Serial-numbers: C1007441 | C1007890 (List of all S/Ns from BROTHER)
Collector value: 7/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: LE RAYON DES CALCULATRICES