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