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Additional Pictures 

 

This Hanimex SLC 891 was manufactured in 1980.

Calculator chip-set of the Hanimex SLC 891. The left of 
the two chips is a memory to hold 30 information items.
The other chip is responsible for the display and keyboard.

Close-up of the Toshiba T3690.

Close-up of the Toshiba T3691.

The unusual 8-segment display. The additional segment
is obvious with the letters M, N, and R  shown below.

The character set of the Toshiba T3690.


horizontal rule

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

Joerg Woerner, June 17, 2017. No reprints without written permission.