DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Texas Instruments TI-25 Version 2
| Date of introduction: | 1978 | Display technology: | LCD |
| New price: | Display size: | 8 (5 + 2) | |
| Size: | 5.2" x 2.9" x 0.4" 133 x 73 x 10 mm3 |
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| Weight: | 2.8 ounces, 80 grams | Serial No: | 637649 |
| Batteries: | 2*LR44 | Date of manufacture: | mth 01 year 1979 |
| AC-Adapter: | Origin of manufacture: | Japan | |
| Precision: | 9 | Integrated circuits: | Toshiba PN1033734 |
| Memories: | 1 | ||
| Program steps: | Courtesy of: | Joerg Woerner | |
| Download manuals: | 
(US: 6.7M Bytes)
(EU: 18.6M Bytes) |
The
second version of the TI-25 uses the Toshiba PN1033734 calculator chip know from the SLC-8260
calculator instead the T3763 known from the SLC-8261.
Changes from Version 1 to Version 2:
| Version 1 | Version 2 | |
| ON/C-key | black | green |
| Battery comp. screw | no | yes |
| Calculator circuit | T3763 | PN1033734 |
| PCB-number | KB-6526-02 | KB-6526-51K |
Don't miss the similar Canon F-42
introduced in 1980.
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, July 1, 2002. No reprints without written permission.