Additional Pictures 


The printed circuit board (PCB) of the Galaxy 10 looks familiar to us. Please notice
the unfamiliar coding of the single-chip calculator circuit.

The printed circuit board (PCB) of the Galaxy Junior is identical. The only difference is the
missing resistor to select the "TI-10" or "Junior" software in the calculator chip. 

The IC of the Galaxy 10 with
the unusual 1110484-0002
part number.



An identical part number was
found in the early production
Galaxy Junior.

Later Galaxy Junior with the
more common CD4816

The internal construction of this late TI-30 Galaxy manufactured in Italy is identical
with the Galaxy 10 shown above. The calculator circuit is a CD4808. 

horizontal rule

If you have additions to the above article please email:

Joerg Woerner, June 12, 2004. No reprints without written permission.