DATAMATH CALCULATOR MUSEUM
Texas Instruments BA-20 (1998)
|Date of introduction:||1998||Display technology:||LCD|
|New price:||$24.99 (SRP 2003)||Display size:||10|
|Size:|| 4.7" x 5.0" x
120 x 128 x 20 mm3
|Weight:||3.9 ounces, 110 grams||Serial No:|
|Batteries:||n.a.||Date of manufacture:||mth 02 year 2002|
|AC-Adapter:||Origin of manufacture:||China (S)|
|Program steps:||Courtesy of:||Joerg Woerner|
Texas Instruments introduced in the United States with the BA-20 already in the year 1986 a very useful calculator. Beside the basic calculator functions 6 additional keys enable the COST, SELL, MARGIN calculations. You enter either two of the variables and get instantly the result of the remaining value.
The technology inside this BA-20 manufactured in 2002 looks very similiar to the first version - a 16 years old design. Even the Integrated Circuit makes use of a traditional housing instead the common Chip-on-Board (COB) technology.
In Europe a very similar calculator was sold as TI-620.
An earlier version of the BA-20 sports an integrated clock like the European TI-610. In August 2002 the design of the BA-20 was slightly changed to allow the usage of larger solar cells.
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© Joerg Woerner, December 5, 2001. No reprints without written permission.