DATAMATH  CALCULATOR  MUSEUM

Additional Pictures 

 

This IMCO DrilMod calculator was manufactured in January 1982 by
Texas Instruments in Abilene, TX (Date code ATA 0182 » wk 01 yr 1982).

The IMCO DrilMod module.

Inside the module we located
a standard TMC0540 with a 
ZA5511 ROM-Code.

The base calculator of this IMCO DrilMod calculator is a
standard TI-59 manufactured in 1982 and serviced in 1983.


horizontal rule

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

© Joerg Woerner, April 3, 2021. No reprints without written permission.