gecko-dev/layout/mathml/tests/stretchy.xml

<?xml version="1.0"?>
<?xml-stylesheet href="mathml.css" type="text/css"?>
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  *  The Original Code is Mozilla MathML Project.
  *
  *  The Initial Developer of the Original Code is The University of
  *  Queensland.  Portions created by The University of Queensland are
  *  Copyright (C) 1999 The University of Queensland.  All
  *  Rights Reserved.
  *
  *  Contributor(s):
  *    Roger B. Sidje <rbs@maths.uq.edu.au>
  -->

<math xmlns="http://www.w3.org/Math/MathML">

<mn>Testing stretchy parentheses - NOT YET IMPLEMENTED</mn>

<mrow>
    <mi>x</mi>
    <mo>+</mo>
    <mrow>
        <mo>(</mo>
        <mfrac linethickness="20">
            <mi>a</mi>
            <mi>b</mi>
        </mfrac>
        <mo stretchy="false">)</mo>
    </mrow>
</mrow>

<mn>in binomial formulas</mn>

<mrow>
    <mo>(</mo>
    <mfrac linethickness="0">
       <mi>n</mi>
       <mi>p</mi>
    </mfrac>
    <mo>)</mo>
</mrow>

<mo>=</mo>
  
<mrow>
    <mrow>
       <mo>(</mo>
       <mfrac linethickness="0">
           <mrow><mi>n</mi><mo>-</mo><mn>1</mn></mrow>
           <mi>p</mi>
       </mfrac>
       <mo>)</mo>
    </mrow>
    
    <mo>+</mo>
    
    <mrow>
       <mo>(</mo>
       <mfrac linethickness="0">
          <mrow><mi>n</mi><mo>-</mo><mn>1</mn></mrow>
          <mrow><mi>p</mi><mo>-</mo><mn>1</mn></mrow>
       </mfrac>
       <mo>)</mo>
    </mrow>

    <mo>;</mo>
</mrow>


<mrow>
  <msup>
     <mrow>
        <mo>(</mo>
        <mi>a</mi>
        <mo>+</mo>
        <mi>b</mi>
        <mo>)</mo>
     </mrow>
     <mi>n</mi>
  </msup>

  <mo>=</mo>

  <msup>
     <mi>a</mi>
     <mi>n</mi>
  </msup>

  <mo>+</mo>

  <mrow>
     <mrow>
        <mo>(</mo>
        <mfrac linethickness="0">
           <mi>n</mi>
           <mi>1</mi>
        </mfrac>
        <mo>)</mo>
     </mrow>
     <msup>
        <mi>a</mi>
        <mrow><mi>n</mi><mo>-</mo><mn>1</mn></mrow>
     </msup>
     <mi>b</mi>
  </mrow>

  <mo>+</mo>
  <mo>...</mo>
  <mo>+</mo>

  <mrow>
     <mrow>
        <mo>(</mo>
        <mfrac linethickness="0">
           <mi>n</mi>
           <mi>p</mi>
        </mfrac>
        <mo>)</mo>
     </mrow>
     <msup>
        <mi>a</mi>
        <mrow><mi>n</mi><mo>-</mo><mi>p</mi></mrow>
     </msup>
     <msup>
        <mi>b</mi>
        <mi>p</mi>
     </msup>
  </mrow>

  <mo>+</mo>
  <mo>...</mo>
  <mo>+</mo>

  <msup>
     <mi>b</mi>
     <mi>n</mi>
  </msup>
</mrow>

</math>