AKA: Auto Power-Off, Product number (P/N): 821L,
Keywords/Tags: 821L
Date of intro: 1980, Origin: Japan (List), Dimensions: 110x65x8mm, Weight: 55g,
Power: 3V: (LR44 x2),
Display: Type = Display (LCD) (List), Digits = 8+1,
Number of keys: 24, #Key-Black: 22, #Key-Orange: 2,
Keyboard Array (Rows x Columns): 05x05,
Miscellaneous switch: [OFF-ON],
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Main Components: HITACHI: HD43337,
Serie-members: BROTHER: 821L (version-1) (Black); BROTHER: 821L (version-2) (Silver); BROTHER: 821LII (Black),
Known Serial-numbers: J9094180 (J 9094180) | M0005318 (M 0005318) (List of all S/Ns from BROTHER)
Collector value: 7/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),