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Additional Pictures 

 

 Inside 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.


If you have additions to the above article please email: joerg@datamath.org.

© Joerg Woerner, May 23, 2002. No reprints without written permission.