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Mathematical Open Type fonts

License

This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with this file, you can obtain one at http://mozilla.org/MPL/2.0/.

Description

This repository contains a script to fetch various open source OpenType fonts with a MATH table as well as the corresponding fonts to use for the surrounding text (if any). The fonts are converted into WOFF (with zopfli compression) and WOFF2 formats using fonttools, which may perform additional optimizations. It is expected that all the transformations preserve Functional Equivalence and so Reserved Font Names remain unchanged. The fonts are finally packaged with some documentation, a license and a mathfont.css stylesheet, so that you can easily use them on your Web site. Some proprietary fonts as well as incomplete open source fonts are also listed but they are not provided.

Warning

This page uses features that may not be supported by legacy web rendering engines:

  • MathML and the OpenType MATH table.
  • the WOFF2 format.
  • CSS rules from the CSS Fonts Module Level that are used by some fonts to provide old style numbers and calligraphic letters.

Using Math fonts on your Web site

Download the zip archive. Choose one family for your web site and place the corresponding subdirectory somewhere. Make your pages link to the mathfonts.css stylesheet. The MathML formulas will then render with the specified font. It's good to make them consistent with the surrounding text, especially for inline expressions. To do that, use the htmlmathparagraph class, e.g. <body class="htmlmathparagraph">. By default, the local fonts installed on the system will be used. For open source fonts, Web fonts in WOFF2 or WOFF format will be used as a fallback.

Most families provide old style numbers in the text font. You can use them via the oldstylenumbers class, e.g. <span class="oldstylenumbers">0123456789</span>. Some of the math fonts also provide calligraphic style for the script characters, that you can select with the calligraphic class e.g. <math><mi mathvariant="script" class="calligraphic">A</mi></math> or equivalently <math><mi class="calligraphic">𝒜</mi></math>.

Build Instructions

You need GNU Core Utilities (or equivalent on UNIX systems) as well as sed, grep, unzip, wget, fonttools, zopfli and brotli. Type the following command to build the font directories:

./configure
make

Use make clean to remove intermediary files and make distclean to remove all the files that are not tracked on GitHub.