Question about Texas Instruments TI-83 Plus Calculator
Press 2ND [square-root] 2ND [square-root] 8 3 ENTER on your TI-83Plus and see the result. Alternatively, you can press 4 MATH 5 8 3 ENTER and save a keystroke.
Posted on Mar 03, 2011
Que Pasa,
what Akima said is true...but let me chime in with my favorite way to find the fourth root of a number.
Disclaimer: This method requires knowledge of the exponent rules.
83^.25
1. Type 83
2. Hit ^
3. Type .25
4. Hit Enter
That is ultra fast, and I love ultra fast.
Raising something to the one-fourth power is the exact same thing as finding the fourth root of that number. Example: the square root of 'x' is 'x' to the one-half power; the eighty-ninth root of 'x' is 'x' to the one-eighty-ninth power; etc. You can use fractional exponents in place of radicals at every juncture. And the more you dive into advanced mathematics the more you will want to think of roots in terms of powers.
Okedoke.
The Math Cheetah
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