# Square root

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For the people that have lost their sense of humor, the nerds at Wikipedia have an article about Square root. |

A square root is the number that you multiply twice to get another number. You know, like √2. Square roots are basically squares in reverse.

## History[edit | edit source]

It goes back as far as the history of mathematics. You know how 2×2=4, and 9+10=21? That's square roots in disguise!

## Examples[edit | edit source]

- √16 is √2 to the fourth power, making it 2
^{4}times better. In this case, √16 = 4! - √10 is objectively the best because there are so many interesting things about it. √10 is close to the mathematical constant π, which means that it's bound to be approximated as such (in fact, Indian mathematicians thought that it equaled π. Remember Protegent?).

## Crazy or rational?[edit | edit source]

Well, any whole number that multiplies with itself and transforms into another whole number is a rational square root. Any other number is crazy. Put it in a mental hospital!

## Square roots of negative numbers[edit | edit source]

Square roots of negative numbers don't exist. They must be a figment of your imagination.