DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Texas Instruments BA-35 Student Business Analayst (silver)
| Date of introduction: | 1985 | Display technology: | LCD |
| New price: | Display size: | 8 (5 + 2) | |
| Size: | 5.3" x 2.8" x 0.45" 135 x 70 x 11 mm3 |
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| Weight: | 2.3 ounces, 64 grams | Serial No: | |
| Batteries: | 2*LR44 | Date of manufacture: | wk 34 year 1988 |
| AC-Adapter: | Origin of manufacture: | Italy | |
| Precision: | 11 | Integrated circuits: | CD4571 |
| Memories: | 1 | ||
| Program steps: | Courtesy of: | Joerg Woerner | |
| Download manual: | 
(US: 3.7 MByte) |
Production
of the BA-35 Student Business Analyst shifted in
1985 from Taiwan to both the US and Italy. The featured BA-35 Student Business
Analyst was manufactured in August 1988 in Italy, just a few month before the
redesigned BA-35 Business Analyst was introduced.
View
the black edition of the BA-35 Business Analyst here.
The
picture on the right gives you an idea about the internal construction of the
calculator. The flexible printed circuit board (PCB) forms one half of the keys,
holds the calculator chip and connects to the LCD. Even the two coin batteries
are connected directly with two small PCB parts. Find a similar construction
with the TI-52. The BA-35 was manufactured
both in Italy and the USA, we noticed no differences between them.
The TP0456 / CD4571 calculator circuit is encapsulated in a traditional
Dual-Inline Plastic package and soldered with bented pins on the PCB.
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, November 13, 2009. No reprints without written permission.