# Manuals/calci/SQRT

SQRT(Value)

• is any positive number.
• SQRT(), returns a positive square root.

## Description

• This function gives the square root of a positive real number.
• Squaring is the value that can be multiplied by itself to give the original number.
• The square root of a number is the inverse operation of squaring that number.
• The root of a number is an equal factor of the number.
• Every non-negative real number a has only one non-negative square root, called the principal square root, which is denoted by , where is called the radical sign or radix.
• Square roots of positive whole numbers that are not perfect squares are always irrational numbers.
• Numbers not expressible as a ratio of two integers .
    This function will give the result as NaN when n is a negative number.


## Examples

1. =SQRT(0)=0
2. =SQRT(1)=1
3. =SQRT(136)= 11.661903789690601
4. =SQRT(ABS(-625))= 25
5. =1..10@SQRT
1..10@SQRT
Number Square Root
1 1
2 1.4142135623730951
3 1.7320508075688772
4 2
5 2.23606797749979
6 2.449489742783178
7 2.6457513110645907
8 2.8284271247461903
9 3
10 3.1622776601683795

SQRT