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This browser plugin allows you to edit formulas in Gmail messages using a graphical formula editor.
The plugin uses MathQuill as the formula editor, and the CodeCogs server (with their generous permission [1]) for generating the images.
For Firefox, go to https://addons.mozilla.org/en-US/firefox/addon/mathquill-for-gmail/ and install the plugin.
For Chrome, go to https://chrome.google.com/webstore/detail/mathquill-for-gmail/jdliianpdlmcfnjgijmgpmmpomdhllni and install the plugin.
Alternatively, you can install directly from source.
Thunderbird support is experimental. Only installation from source is supported so far.
When editing a mail, press Ctrl-M to insert a formula. Edit the formula that appears in the interactive formula editor (using a LaTeX-like input syntax). Press enter to convert it into a picture. (You have to exit the formula editor via enter, otherwise the picture will not be updated.)
To edit an existing formula, either click on it, or position the cursor after it and press Ctrl-M.
Further topics:
The plugin has a number of quirks:
- If you close the compose window, or Gmail while a formula editor is still open, a textbox and some useless characters will be included in your mail. Always leave the formula editor with enter. (Issue #3)
- When clicking on a formula to edit it, the formula editor will appear, but there will also be Gmail's menu for resizing the picture! You can simply ignore it, it vanishes as soon as you start typing. (Issue #4)
(For anything you would like fixed, please express so in the corresponding issue. I am more likely to try and fix a problem if there is expressed interest.)
[1] Please note that if you are generating a lot of equations from a single domain, i.e. over 3000/day, then you may need to arrange a commercial licence with CodeCogs to support continued hosting of the service. Please see their terms and conditions: http://www.codecogs.com/latex/usage.php.