Returns a Double specifying the square root of a number.

Syntax

Sqr ( number )

The required number argument is a Double or any valid numeric expression greater than or equal to zero.

Query example

Expression

Results

SELECT UnitPrice, sqr(UnitPrice) AS SqrUnitPrice FROM ProductSales;

Returns the values from "UnitPrice" and their square root in the column SqrUnitPrice.

VBA example

Note: Examples that follow demonstrate the use of this function in a Visual Basic for Applications (VBA) module. For more information about working with VBA, select Developer Reference in the drop-down list next to Search and enter one or more terms in the search box.

This example uses the Sqr function to calculate the square root of a number.

Dim MySqr
MySqr = Sqr(4) ' Returns 2.
MySqr = Sqr(23) ' Returns 4.79583152331272.
MySqr = Sqr(0) ' Returns 0.
MySqr = Sqr(-4) ' Generates a run-time error.

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