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The square root of say 5 can be written as \sqrt{5} . Using fractional powers it can also be written as 5^{\frac{1}{2} } . The cube root of 7 can be written as 7^{\frac{1}{3} } .
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jsMath
This page uses jsMath
You can get a better display of the maths by downloading special TeX fonts from jsMath. In the meantime, we will do the best we can with the fonts you have, but it may not be pretty and some equations may not be rendered correctly.

Glossary

cube root

of a number n, that value that when cubed equals n

square root

of a number n, that value that when squared equals n

union

The union of two sets A and B is the set containing all the elements of A and B.

Full Glossary List