# EXSLT - math:sqrt

Implementer Page: math.sqrt.html Function Package: math.sqrt.zip #### Function Syntax
    number math:sqrt(number)
#### Template Syntax
    <xsl:call-template name="math:sqrt">
       <xsl:with-param name="value" select="number" />
    </xsl:call-template>
The `math:sqrt` function returns the square root of a number. If the argument is a negative number, the return value is zero. ## Implementations The following XSLT processors support `math:sqrt`: 4XSLT, from 4Suite. (version 0.12.0a3) libxslt from Daniel Veillard et al. (version 1.0.19) Implementations of `math:sqrt` are available in the following languages: Msxsl (by James Fuller) Javascript (by James Fuller) XSLT Template (by Nate Austin) EXSLT Function (by Nate Austin)

http://www.exslt.org/math/functions/sqrt/index.html last modified 2002-11-12