If you use NPM
npm install mathml-to-latex --save
If you use Yarn
yarn add mathml-to-latex
import { MathMLToLaTeX } from 'mathml-to-latex';
// const { MathMLToLaTeX } = require('mathml-to-latex');
const mathml = `
<math>
<mrow>
<mn>a</mn>
<mo>+</mo>
<mn>b</mn>
</mrow>
</math>
`;
MathMLToLaTeX.convert(mathml);
// => a + bimport { MathMLToLaTeX } from 'mathml-to-latex';
// const { MathMLToLaTeX } = require('mathml-to-latex');
const mathml = `
<math>
<mrow>
<mi>A</mi>
<mo>=</mo>
<mfenced open = "[" close="]">
<mtable>
<mtr>
<mtd><mi>x</mi></mtd>
<mtd><mi>y</mi></mtd>
</mtr>
<mtr>
<mtd><mi>z</mi></mtd>
<mtd><mi>w</mi></mtd>
</mtr>
</mtable>
</mfenced>
</mrow>
</math>
`;
MathMLToLaTeX.convert(mathml);
// => A = \begin{bmatrix} x & y \\ z & w \end{bmatrix}Package is also available directly in the browser through CDN:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>MathML to LaTeX Converter</title>
<!-- Including Tailwind CSS just for styling -->
<link href="https://cdn.jsdelivr.net/npm/tailwindcss@2.2.15/dist/tailwind.min.css" rel="stylesheet" />
<!-- Including mathml-to-latex library -->
<script src="https://cdn.jsdelivr.net/npm/mathml-to-latex@1.3.0/dist/bundle.min.js"></script>
</head>
<body class="bg-blue-50 h-screen flex flex-col items-center justify-center">
<h1 class="text-2xl font-bold mb-4">MathML to LaTeX Converter</h1>
<div class="w-3/4 flex flex-row gap-6">
<div class="flex flex-col w-1/2">
<textarea id="mathmlInput" class="p-4 w-full h-64 border rounded shadow-md"></textarea>
<button
id="convertButton"
class="mt-4 px-4 py-2 bg-blue-500 text-white rounded hover:bg-blue-600 focus:outline-none"
>
Convert to LaTeX
</button>
</div>
<div class="w-1/2 bg-white p-4 border rounded shadow-md">
<p id="latexOutput"></p>
</div>
</div>
<script>
const mathmlInput = document.getElementById('mathmlInput');
const latexOutput = document.getElementById('latexOutput');
const convertButton = document.getElementById('convertButton');
mathmlInput.value = `\
<math>
<mrow>
<mn>2</mn>
<mo>+</mo>
<mn>2</mn>
<mo>=</mo>
<mn>4</mn>
</mrow>
</math>`;
convertButton.addEventListener('click', function () {
const latex = MathMLToLaTeX.MathMLToLaTeX.convert(mathmlInput.value);
latexOutput.textContent = latex;
});
</script>
</body>
</html>Will output:
