DATAMATH CALCULATOR MUSEUM
Texas Instruments TI-620
|Date of introduction:||1992||Display technology:||LCD|
|New price:||Display size:||10|
|Size:|| 4.7" x 5.0" x
120 x 128 x 20 mm3
|Weight:||3.6 ounces, 102 grams||Serial No:|
|Batteries:||n.a.||Date of manufacture:||mth 12 year 1993|
|AC-Adapter:||Origin of manufacture:||Malaysia (I)|
|Program steps:||Courtesy of:||Joerg Woerner|
|Download manual:||(EU: 4.7 MByte)|
Instruments introduced in Europe with the TI-620 a very useful calculator.
Beside the basic calculator functions six additional keys enable the COST, SELL,
MARGIN calculations. You enter either two of the variables and get instantly the
result of the remaining value.
In the United States a very similar calculator was sold as BA-20. Dismantling this TI-620 manufactured in December 1993 by Inventec Corporation in Malaysia reveals indeed a printed circuit board (PCB) with the designation "BA-20-02B".
The housing of the TI-620 in known from the earlier TI-610 calculator.
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© Joerg Woerner, December 5, 2001. No reprints without written permission.