DATAMATH CALCULATOR MUSEUM
view of the MR413 (left) compared with the
TI-1790 (right) manufactured by Toshiba .
| The PCB
of the MR413 (left) and the TI-1790 (right).
The MR413 uses a copy of theToshiba calculator chip.
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© Joerg Woerner, May 23, 2002. No reprints without written permission.