DATAMATH CALCULATOR MUSEUM
construction of the TI-1798 is known from the
Please notice the TI-1796 designation on the PCB.
BA-20 Profit Manager
makes use of a small
clock module with its own battery.
|This BA-20 manufactured
in 2002 looks still similiar but lacks the clock
and battery. Even the Printed Circuit Board (PCB) makes use of an
Integrated Circuit in a traditional housing.
If you have additions to the above article please email: email@example.com.
© Joerg Woerner, September 26, 2004. No reprints without written permission.