Alternative Equation Formats

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MathML

\begin{aligned} \hat{σ_{p}^{2}} & = \frac{(n_{1} - 1) s_{1}^{2} + (n_{2} - 1) s_{2}^{2}}{n_{1} + n_{2}} \\ {Z E}_{p} & = {\hat{σ}}_{p} {(\frac{1}{n_{1}} + \frac{1}{n_{2}})}^{\frac{1}{2}} \end{aligned}

Math Rendered as SVG

Math as LaTeX Source

\begin{align*} \hat{\sigma _ p^2} & = \frac{(n_1-1)s_1^2 + (n_2-1)s_2^2}{n_1 + n_2} \\ \mr{ZE}_ p & = \hat{\sigma }_ p \left( \frac{1}{n_1} + \frac{1}{n_2} \right)^\frac {1}{2} \end{align*}