DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| The Little Professor
introduced in 1980 uses a small keyboard to fit all 5 keyrows in the limited space of the original keyplate. The key spacing is identical to the TI-1010 keyboard.
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| The printed circuit
boards (PCB's) of the Little Professor manufactured in 1978 (left) and 1980 (right) are almost identical. The smaller keyboard of the later Little Professor is obvious.
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Close-up view of a TMC1993 from a
Little Professor (1978) manufactured in January 1980.  |
Close-up view of a TMC1993 from a
Little Professor (1980) manufactured in September 1980.  |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, October 2, 2002. No reprints without written permission.
