A TeX-to-MathML conversion library in JavaScript. Input: \def\d{\mathrm{d}} \oint_C \vec{B}\circ \d\vec{l} = \mu_0 \left( I_{\text{enc}} + \varepsilon_0 \frac{\d}{\d t} \int_S {\vec{E} \circ \hat{n}}\; \d a \right) Output: ∮CB⃗∘dl⃗=μ0(Ienc+ε0ddt∫SE⃗∘n^da) Wide Display Mode Annotate XML Latin Modern Local font Asana STIX TWO Libertinus Fira Math Math MathML Flat MML