fx-82MS fx-82TL fx-9860GII TI-83
˟√
On a TI calculator you can take the power root
MATH 5
or via the CATALOG as
CATALOG ⎵ 2nd 0 ►˟√ ENTER
Example 1
To calculate 6√64 = 2
6 MATH 5 6˟√ 6 4 ENTER 6˟√64 2
Example 2
To calculate 0.5√2 = 21/0.5 = 22 = 4
• 5 MATH 5 .5˟√ 2 ENTER .5˟√2 4
Example 3
To calculate 1√−7 = −7
1 MATH 5 1˟√ (–) 7 ENTER 1˟√-7 -7