DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Texas Instruments TI-30Xa Solar H.E.K.A.
| Date of introduction: | 1997 | Display technology: | LCD |
| New price: | Display size: | 10 + 2 | |
| Size: | 5.9" x 3.0" x 0.50" 150 x 75 x 13 mm3 |
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| Weight: | 2.9 ounces, 82 grams | Serial No: | |
| Batteries: | n.a. | Date of manufacture: | mth 07 year 1998 (A) |
| AC-Adapter: | Origin of manufacture: | China (N) | |
| Precision: | 12 | Integrated circuits: | Toshiba T6M79 |
| Memories: | 3 | ||
| Program steps: | Courtesy of: | Joerg Woerner |
The
Hong Kong Examinations and Assessment Authority (HKEAA), previously known as
Hong Kong Examinations Authority (HKEA) administers the Hong Kong Certificate of
Education Examination (HKCEE) and Hong Kong Advanced Level Examination (HKALE).
This Texas Instruments TI-30Xa Solar with the "H.K.E.A. APPROVED" pad-printed label is one of the permitted calculators in the exams. Don't miss the TI-30 Xa Solar School Edition with the disabled decimal-to-fraction key.
Dismantling this TI-30Xa Solar
manufactured in July 1998 by contract manufacturer Nam
Tai Electronics, Inc. in China is not really exciting - the
calculator is 100% identical with the US model.
Interesting to know that this TI-30Xa Solar approved
in 1997 still carries an algorithm problem known from the TI-35X
introduced in 1991. Read
more about the Logarithm Bug and its
side effect on the related yx function present in this calculator.
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, November 16, 2009. No reprints without written permission.