miSfonts8

W3C sample	WIRIS
	$a + b + c + f + Γ + d$

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <mstyle fontstyle="italic" fontfamily="Helvetica">
    <mrow>
      <mi>a</mi>
      <mo>+</mo>
      <mi fontweight="bold">b</mi>
      <mo>+</mo>
      <mi fontstyle="normal">c</mi>
      <mo>+</mo>
      <mi fontfamily="Courier" color="#00ff00">f</mi>
      <mo>+</mo>
      <mi fontsize="36pt">&#x0393;</mi>
      <mo>+</mo>
      <mi fontweight="bold" fontstyle="normal">d</mi>
    </mrow>
  </mstyle>
</math>

Author: Robert Miner and Jeff Schaefer, Geometry Technologies