DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Montgomery Ward electronic D12K aka TXI-8649A
| Date of introduction: | 1974 | Display technology: | Panaplex II |
| New price: | $119.00 | Display size: | 12 |
| Size: | 8.8" x 6.5" x 2.7" 224 x 165 x 68 mm3 |
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| Weight: | 28.8 ounces, 818 grams | Serial No: | 37D-33047 |
| Batteries: | Date of manufacture: | wk 29 year 1974 | |
| AC-Adapter: | 120 V | Origin of manufacture: | USA |
| Precision: | 12 | Integrated circuits: | |
| Memories: | 1 | ||
| Program steps: | Courtesy of: | Frederick S. Gimble |
This rare
Montgomery Ward electronic D12K desktop calculator reveals itself with the
official TXI-8649A designation on the backside label as a Texas Instruments
product. The outside of this calculator resembles that of the Radio Shack
EC-1000 but contains the feature set of the TI-4000 plus an additional [AD] key.• electronic D8F aka
TXI-8647A,
based on the TI-3000
•
electronic D10P aka TXI-8648A, based probably on the
TI-3500
• electronic D12K aka TXI-8649A,
based probably on the TI-4000
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, December 30, 2006. No reprints without written permission.