AKA: TI-31, AKA (Label): electronic calculator, Product number (P/N): TI31 (TI-31),
Keywords/Tags: TI31 (TI-31) | 31
Date of intro: 1978, Origin: Italy (List), Dimensions: 146x80x35mm, Weight: 105g,
Power: 9V,
Display: Type = Display (LED) (List), Digits = 8+1,
Number of keys: 40, #Key-Black: 40,
Classification: / Pocket / Financial+Business,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Patents: 3819921(US); 3855577(US); 3904863(US); 3921142(US); 3932846(US); 3934233(US); 3952174(US); 3955181(US); 3987416(US); 3988604(US); 3989939(US); 3991305(US); 3991306(US); 4005293(US); 4014013(US),
Main Components: TEXAS INSTRUMENTS: TMC0982NL,
Resemblance with: TEXAS INSTRUMENTS: Money Manager,
Known Serial-numbers: 1280RCI | 3100056784S (3100 056784 S) (List of all S/Ns from TEXAS INSTRUMENTS)
Collector value: 7.5/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: DATAMATH CALCULATOR MUSEUM