Casio FC-200 Financial Calculator

New old stock from 1988....

Dismantling for internal inspection.
There was a small amount of battery leakage.

Integrated Circuits:
HD61747B55 Processor.
HD61914 1KByte static RAM.

Reassembling...

Came back to life one again.

Maximum contrast set.

Default settings.
Thousands and decimal  separator.

Alphanumeric capability.