DATAMATH CALCULATOR MUSEUM
|This Fixed Income
Securities was manufactured
in March 1989
by Texas Instruments in Italy (week 11 year 1989).
Please notice the promising "PROTO 10" carved on the housing.
|The TC54256 EPROM
with a hand-written label reaveals the
introduction date of the Fixed Income Securities calculator.
If you have additions to the above article please email: firstname.lastname@example.org.
© Joerg Woerner, May 8, 2008. No reprints without written permission.