Another way to calculate 3 2 is to use the key. Enter 3 2 .
In general, the key can be used to raise a number to any specific power. To calculate 43 enter 4 3 .
To raise a number to the -1 power use the key. To calculate 5-1 enter 5 .
The number e can be raised to any power. To calculate e-1.2 enter 1.2 .