Operator mod returns the remainder from a truncating division : mod « XSLT stylesheet « XML Tutorial

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2. XSLT stylesheet
3. mod

File: Data.xml
<?xml version="1.0" encoding="utf-8"?>
<data>
    <number>1</number>
    <number>3</number>
    <number>4</number>
    <number>17</number>
    <number>8</number>
    <number>11</number>
</data>

File: Transform.xslt

<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet
      version="1.0"
      xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
    <xsl:template match="/">
      <Paragraph>
        <xsl:value-of select="//number[5]"/>
        <xsl:text> / </xsl:text>
        <xsl:value-of select="//number[6]"/>
        <xsl:text> = </xsl:text>
        <xsl:value-of select="//number[5] div //number[6]"/>
      </Paragraph>
      <Paragraph>
        <xsl:value-of select="//number[5]"/>
        <xsl:text> mod </xsl:text>
        <xsl:value-of select="//number[6]"/>
        <xsl:text> = </xsl:text>
        <xsl:value-of select="//number[5] mod //number[6]"/>
      </Paragraph>
    </xsl:template>
</xsl:stylesheet>
Output:

<?xml version="1.0" encoding="UTF-8"?><Paragraph>8 / 11 = 0.7272727272727273</Paragraph><Paragraph>8 mod 11 = 8</Paragraph>