# sqrt()

# Description

Calculates the square root of a number. The square root of a number is always positive, even though there may be a valid negative root. The square root s of number a is such that s*s = a. It is the opposite of squaring.

# Related

# Example

##### Code:

noStroke(); float a = sqrt(6561); // Sets 'a' to 81 float b = sqrt(625); // Sets 'b' to 25 float c = sqrt(1); // Sets 'c' to 1 rect(0, 25, a, 10); rect(0, 45, b, 10); rect(0, 65, c, 10);