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Additional Pictures 

 

 The graphics display of the Casio fx-7000G in the character mode
with 8 lines of 16 characters each. The matrix is 63*95 dots.

The Casio fx-7000G uses two printed circuit
boards (PCB's), one is mainly used with the
display drivers.

The TI-81 with a similiar internal
construction placed all display 
drivers on the smaller PCB.

 The main printed circuit board (PCB) of the
Casio fx-7000G with an
application
specific CPU and an additional RAM.

The TI-81 introduced almost 5 years 
after the Casio fx-7000G with an almost
identical architecture.


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

Joerg Woerner, February 28, 2004. No reprints without written permission.