DATAMATH  CALCULATOR  MUSEUM

Additional Pictures 

 

This Litronix Checkmate (Second version) was manufactured in 1972 in Malaysia.

The batteries of the Litronix Checkmate.

The dismantled Litronix Checkmate  with the Wild Rover Corp. keyboard.

The printed circuit board (PCB) Litronix Checkmate with
the Litronix LIT-019 Integrated Circuit and three LED Display modules.

Close-up of the Litronix LIT-019 calculator chip.

Close-up of the three LED Display modules.


horizontal rule

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

Joerg Woerner, June 26, 2019. No reprints without written permission.