DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| The TI-81 Engineering
Sample with ROM-Version 1.0 manufactured April 1990.
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An early TI-81 w/o
backup battery with ROM-Version 1.1K manufactured September 1990.
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| An early TI-81 VSC w/o
backup battery with ROM-Version 1.1 manufactured in 1991.
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A later TI-81 VSC w/o
backup battery with ROM-Version 1.1k manufactured in 1993.
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| A late TI-81 w/o
backup battery with ROM-Version 1.6K manufactured September 1991.
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A later TI-81 with
backup battery with ROM-Version 1.8K manufactured November 1992.
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| A later TI-81 with
backup battery with ROM-Version 2.0V manufactured August 1994.
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A late TI-81 with
backup battery with ROM-Version 2.0V manufactured April 1996.
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If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, January 27, 2009. No reprints without written permission.
