sqrt (square root)
Definition
The square root of a number is a value that, when multiplied by itself, gives the original number. It is denoted by the symbol √.
Analogy
Think of the square root as finding the "opposite" operation of squaring a number. Just like dividing undoes multiplication, taking the square root undoes squaring.
Related terms
Exponentiation: The process of raising a number to a power.
Radicand: The number under the radical sign (√) in a square root expression.
Irrational Number: A number that cannot be expressed as an exact fraction and has an infinite non-repeating decimal representation.
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