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