mfracZcomp-30

Fairly comprehensive test of many mfrac properties

W3C sample	WIRIS
	$${\displaystyle \mathrm{HypergeomDist}\left(x;M,K,n\right)=\sum _{k=0}^x\frac{\left(\genfrac{}{}{0ex}{}{K}{k}\right)\left(\genfrac{}{}{0ex}{}{M-K}{n-k}\right)}{\left(\genfrac{}{}{0ex}{}{M}{n}\right)}}$$

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    <mrow>
      <mi mathcolor="gray">HypergeomDist</mi>
      <mo>&#x02061;</mo>
      <mrow>
        <mo form="prefix" fence="true" stretchy="true" lspace="0em" rspace="0em">(</mo>
        <mrow>
          <mi>x</mi>
          <mo form="infix">;</mo>
          <mrow>
            <mi>M</mi>
            <mo form="infix">,</mo>
            <mi>K</mi>
            <mo form="infix">,</mo>
            <mi>n</mi>
          </mrow>
        </mrow>
        <mo form="postfix" fence="true" stretchy="true" lspace="0em" rspace="0em">)</mo>
      </mrow>
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    <mo form="infix">=</mo>
    <mrow>
      <munderover>
        <mo form="prefix" movablelimits="false" largeop="false" stretchy="true" maxsize="1.4" minsize="1.4">&#x02211;</mo>
        <mrow>
          <mi>k</mi>
          <mo form="infix">=</mo>
          <mn>0</mn>
        </mrow>
        <mi>x</mi>
      </munderover>
      <mfrac>
        <mrow>
          <mrow>
            <mo form="prefix" fence="true" stretchy="true" lspace="0em" rspace="0em">(</mo>
            <mfrac linethickness="0">
              <mi>K</mi>
              <mi>k</mi>
            </mfrac>
            <mo form="postfix" fence="true" stretchy="true" lspace="0em" rspace="0em">)</mo>
          </mrow>
          <mo>&#x02062;</mo>
          <mrow>
            <mo form="prefix" fence="true" stretchy="true" lspace="0em" rspace="0em">(</mo>
            <mfrac linethickness="0">
              <mrow>
                <mi>M</mi>
                <mo form="infix">-</mo>
                <mi>K</mi>
              </mrow>
              <mrow>
                <mi>n</mi>
                <mo form="infix">-</mo>
                <mi>k</mi>
              </mrow>
            </mfrac>
            <mo form="postfix" fence="true" stretchy="true" lspace="0em" rspace="0em">)</mo>
          </mrow>
        </mrow>
        <mrow>
          <mo form="prefix" fence="true" stretchy="true" lspace="0em" rspace="0em">(</mo>
          <mfrac linethickness="0">
            <mi>M</mi>
            <mi>n</mi>
          </mfrac>
          <mo form="postfix" fence="true" stretchy="true" lspace="0em" rspace="0em">)</mo>
        </mrow>
      </mfrac>
    </mrow>
  </mstyle>
</math>

Author: Mackichan