The equation below is a MathML representation with MathJax implementation of one version of Planck’s Law. As of October 2012 supported browsers include Firefox 4+, Safari 5+ or Internet Explorer 9 with MathPlayer 3.

E= 2πh c 2 λ 5 ( e hcλ k b T 1 )

Base MathML Code

Below is the presentation MathML code used.

<math display="block" xmlns="http://www.w3.org/1998/Math/MathML">
<mrow>
    <mi>E</mi><mo>=</mo>
<mfrac>
<mrow>
     <mn>2</mn><mi>π</mi><mi>h</mi>
    <msup>
          <mi>c</mi>
          <mn>2</mn>
    </msup>
</mrow>
<mrow>
      <msup>
      <mi>λ</mi>
      <mn>5</mn>
      </msup>
         <mrow><mo>(</mo>
         <mrow>
              <msup>
              <mi>e</mi>
                  <mrow>
                  <mi>h</mi><mi>c</mi><mo>−</mo><mi>λ</mi>
                  <msub>
                        <mi>k</mi>
                        <mi>b</mi>
                  </msub>
                  <mi>T</mi>
         </mrow>
        </msup>
         <mo>−</mo><mn>1</mn>
</mrow>
<mo>)</mo>
</mrow>
</mrow>
</mfrac>
</mrow>
</math>

Display In Sites At Penn State

To display this equation in Sites at Penn State or other Word Press site, you need to enable the MathJax-LaTeX plugin, then set the display to TeX-AMS-MML_HTMLorMML. See the MathML page for more information.

Any MathML used must be inserted in code view and must be enclosed in [mathjax] shortcode tags. See partial example below

[mathjax]
<math display="block" xmlns="http://www.w3.org/1998/Math/MathML">
<mrow>
    <mi>E</mi><mo>=</mo>
<mfrac>

</mfrac>
</mrow>
</math>
[mathjax]

MathJax

When MathML is used outside of Sites at Penn State, it is recommended that a link to the MathJax library be included using one of the links below. See the MathML and MathJax page for more information.

MathJax Script Links

For a Public Page

<script type="text/javascript"
src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML">
</script>

For a Password Protected Page

Use the link below for ANGEL or a password protected LMS or archive.

<script type="text/javascript"
src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML">
</script>