A radical is a check-like mathematical symbol that indicates a square root of a number within the radical. The square root of a number is the value that can be multiplied times itself to equal that... Read More »

Finding radicals, or roots of numbers, is an important theme in algebra. The square root of four, for instance, is two, since 2*2 is 4. The cube root of 8 is 2, since 2*2*2 is 8. Finally, the fourt... Read More »

A radical is the opposite of an exponent. As an example, if a number is squared, the exponent is 2. If the square root of a number is taken, the number is placed under a radical sign. The radical n... Read More »

## How to Use a Calculator for Radicals?

Radical is another name for root. The index of a radical is a number that symbolizes which root you're taking. It means you are calculating a value which, times itself that number of times, would e... Read More »

## Help With Radicals in Math?

Algebra can be a difficult subject for middle and high school students alike as the year progresses and problems become more involved and difficult. Radicals can be especially complex because there... Read More »

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