Although a special character exists in TI-84-Basic, the long form must be used in TI-89.
- 2ND + LN (ex)
- ◇ + x (ex)
- The above equation would give you an answer of approximately 54.59815003, because .
- The above equation would give you an answer of 1, because any number to the power (exponent) of zero is 1.