% \f is defined as #1f(#2) using the macro \f\relax{x} = \int_{-\infty}^\infty \f\hat\xi\,e^{2 \pi i \xi x} \,d\xi f(x)=â«âââf^(ξ)âe2Ïiξxâdξ% \f is defined as #1f(#2) using the macro \f\relax{x} = \int_{-\infty}^\infty \f\hat\xi\,e^{2 \pi i \xi x} \,d\xif(x)=â«ââââf^â(ξ)e2Ïiξxdξ Fast: KaTeX renders its math synchronously and doesnât need to reflow the page. Print quality: KaTeXâs layout is based on


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