KaTeX
行内公式 \(E=mc^2\)
行内公式 \(\sum_{i=1}^n a_i=0\)
整行公式
\[f(x_1,x_x,\ldots,x_n) = x_1^2 + x_2^2 + \cdots + x_n^2\] \[f(x) = \int_{-\infty}^\infty \hat f(\xi)\,e^{2 \pi i \xi x} \,d\xi\]% \f is defined as f(#1) using the macro
\f{x} = \int_{-\infty}^\infty
\hat \f\xi\,e^{2 \pi i \xi x}
\,d\xi
katex.render("% \\f is defined as f(#1) using the macro\n\\f{x} = \\int_{-\\infty}^\\infty\n \\hat \\f\\xi\\,e^{2 \\pi i \\xi x}\n \\,d\\xi", /* element */, {"displayMode":true,"throwOnError":true,"errorColor":"#cc0000","strict":"warn","macros":{"\\f":"f(#1)"}})
% \f is defined as f(#1) using the macro
\f{x} = \int_{-\infty}^\infty
\hat \f\xi\,e^{2 \pi i \xi x}
\,d\xi
% \f is defined as f(#1) using the macro
\f{x} = \int_{-\infty}^\infty
\hat \f\xi\,e^{2 \pi i \xi x}
\,d\xi