DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Texas Instruments TI-15 Explorer
| Date of introduction: | October 7, 1999 Available: Feb., 2000 |
Display technology: | LCD |
| New price: | $14.99 (SRP 2008) | Display size: | 11 +11 characters |
| Size: | 6.8" x 3.2" x 0.50" 172 x 82 x 13 mm3 |
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| Weight: | 4.0 ounces, 112 grams | Serial No: | |
| Batteries: | CR2025 (60µA) | Date of manufacture: | mth 03 year 2000 |
| AC-Adapter: | Origin of manufacture: | China (N) | |
| Precision: | 13 | Integrated circuits: | |
| Memories: | 1 | ||
| Program steps: | Courtesy of: | Joerg Woerner |
Combines the
fraction capabilities of the
Math Explorer with a 2-line display, problem
solving, place value and more.
Later the features of the MathMate were combined with the 2-line display of the TI-15, don't miss the TI-10.
Dismantling
the TI-15 reveals a typical design of a calculator developed in 1999.
The single-chip calculator circuit is bonded directly to a high-quality printed
circuit board (PCB) while the keyboard makes use of a much simpler Phenolic PCB. The
featured calculator was manufactued in 2000 by contract manufacturer Nam
Tai Electronics, Inc., we recently located a TI-15
Explorer manufactured by Kinpo Electronics, Inc. in
China, too.
The TI-73 Explorer added even
a graphics screen to the Explorer line of calculators.
Stokes Publishing Company, Inc. based in Sunnyvale, California sold a companion for the teacher, view the wonderful TI-15 Overhead Calculator.
Math Explorer ™ and
MathMate ™ are trademarks
of Texas Instruments.
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, December 5, 2001. No reprints without written permission.