DATAMATH CALCULATOR MUSEUM
|This Exactra 23 uses a LED display
Bowmar, better known as Opto-Stick.
|The printed circuit board (PCB)
of the Exactra 23
with the TMS0803 single-chip calculator circuit and
one additional display driver plus transistors.
If you have additions to the above article please email: firstname.lastname@example.org.
© Joerg Woerner, October 17, 2003. No reprints without written permission.