data/mathtoweb/150.mml
<math xmlns="http://www.w3.org/1998/Math/MathML"><mrow><mo>ℑ</mo><mi>ψ</mi><mrow><mo rspace="0.3em" lspace="0em" stretchy="true" fence="true" form="prefix">(</mo><mstyle scriptlevel="0" displaystyle="false"><mrow><mfrac linethickness="1"><mn>1</mn><mn>2</mn></mfrac></mrow></mstyle><mo>+</mo><mi>i</mi><mi>y</mi><mo rspace="0em" lspace="0.3em" stretchy="true" fence="true" form="postfix">)</mo></mrow><mo>=</mo><mfrac linethickness="1"><mi>π</mi><mn>2</mn></mfrac><mi>tanh</mi><mrow><mo rspace="0.3em" lspace="0em" stretchy="true" fence="true" form="prefix">(</mo><mi>π</mi><mi>y</mi><mo rspace="0em" lspace="0.3em" stretchy="true" fence="true" form="postfix">)</mo></mrow></mrow></math>