segunda-feira, 20 de julho de 2015

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.




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