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Additional Pictures 

 

This SOVAC Loan Calculator was manufactured in August 1978 by
Texas Instruments in the Netherlands (Date code ACH 3678 » wk 36 yr 1978).

The SOVAC module.

Inside the module we located
a standard TMC0540 with a 
ZA5506 ROM-Code.

The base calculator of this SOVAC Loan Calculator is a
standard TI-58 manufactured in 1978.


horizontal rule

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

© Joerg Woerner, May 29, 2016. No reprints without written permission.