DATAMATH CALCULATOR MUSEUM |
Additional Pictures
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 reveals the introduction date of the Fixed Income Securities calculator. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, May 8, 2008. No reprints without written permission.