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Additional Pictures 

 

The Galixa Speech makes use of the Z80 compatible Hitachi HD64180, 8 kByte RAM
and 256 kByte ROM. The TI-30 Galaxy is connected to the PCB with a flat ribbon cable.

 
Three generations of calculators for vision impaired people featuring either braille output (TI-2550 II),
natural speech output (TI-30 Galaxy) or both (Galaxy 40x). 


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

© Joerg Woerner, December 22, 2002. No reprints without written permission.