# SQL Numeric Functions

In SQL Server, numeric functions focus on number calculations.

Numeric functions expect numeric arguments, such as, integer, float, decimals, etc.

The return values are numeric also.

### #

This function returns the square root of the specified number.

``````SELECT SQRT(16) AS 'SQRT 16'
``````
Result
SQRT 16
4

## Numeric Functions

These are the built-in numeric functions in SQL Server.
Click on a function for more details.

Function Description
ABS Returns the absolute value of a number
ACOS Returns the arc cosine of a number, expressed as an angle in radians
ASIN Returns the arc sine of a number, expressed as an angle in radians
ATAN Returns the arc tangent of a number, expressed as an angle in radians
ATN2 Returns the arctangent of x and y, expressed as an angle in radians
CEILING Returns the closest integer value greater than a given number
COS Returns the cosine of an angle in radians
COT Returns the cotangent of an angle in radians
DEGREES Converts an angle from radians to degrees
EXP Returns the exponential value of a number
FLOOR Returns the closest integer value smaller than a given number
LOG Returns the natural logarithm of a number
LOG10 Returns the base 10 logarithm of a number
PI Returns the constant value pi (3.1415..)
POWER Returns the value of a number to the power of a given integer
RAND Returns a random number between 0 and 1
ROUND Returns a rounded number a specified number of decimals.
SIGN Returns an indicator (-1, 0, -1) of the sign of a number
SQRT Returns the square root of a number
SQUARE Returns the squared value of a number
TAN Returns the tangent of a number, which is an angle in radians.

## You may also like Guides

vsn 3.1