KaTeX Test

Testing $\KaTeX$ rendering in FixIt theme.

Inline Formulas

$c = \pm\sqrt{a^2 + b^2}$ and (f(x)=\int_{-\infty}^{\infty} \hat{f}(\xi) e^{2 \pi i \xi x} d \xi)

Formula Blocks

$$ c = \pm\sqrt{a^2 + b^2} $$

[f(x)=\int_{-\infty}^{\infty} \hat{f}(\xi) e^{2 \pi i \xi x} d \xi]

$$ \begin{equation*} \rho \frac{\mathrm{D} \mathbf{v}}{\mathrm{D} t}=\nabla \cdot \mathbb{P}+\rho \mathbf{f} \end{equation*} $$

$$ \begin{equation} \mathbf{E}=\sum_{i} \mathbf{E}_{i}=\mathbf{E}_{1}+\mathbf{E}_{2}+\mathbf{E}_{3}+\cdots \end{equation} $$

$$ \begin{align} a&=b+c \ d+e&=f \end{align} $$

$$ \begin{alignat}{2} 10&x+&3&y = 2 \ 3&x+&13&y = 4 \end{alignat} $$

$$ \begin{gather} a=b \ e=b+c \end{gather} $$

$$ \begin{CD} A @>a» B \ @VbVV @AAcA \ C @= D \end{CD} $$

Chemical Equations

$$ \ce{CO2 + C -> 2 CO} $$

$$ \ce{Hg^2+ ->[I-] HgI2 ->[I-] [Hg^{II}I4]^2-} $$

$$C_p[\ce{H2O(l)}] = \pu{75.3 J // mol K}$$

$\KaTeX$ in headings

This is a bug:

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## $\KaTeX$ in headings