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Texas Instruments TI-31 SOLAR (China)
The
production of the TI-31 SOLAR was shifted in 1987
from Japan to China without changing any part of the calculator.
This
TI-31 SOLAR manufactured in October 1987 by Toshiba in China makes still use of
the T6974S single-chip calculator circuit introduced already in 1984.
The later Italian version of the TI-31 SOLAR looks totally different.
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, December 5, 2001. No reprints without written permission.