One of many ways to write mathematics is using (La)TeX. Unfortunately it requires the frequent use of some special characters, such as \, {, }, _, and ^, that aren’t easily accessible at virtual keyboards. To try to improve your typing speed you can use a virtual keyboard specially designed for (La)TeX.

This virtual keyboard is an open source project that started as a Google Summer of Code 2014’s project. Right now it is only available for Firefox OS, and you can install it from the Marketplace.

Features

• Styled letters are available as alternate keys.

• Many symbols are available as alternate keys, e.g. the n-ary product (∏) can be obtained with a long pressing at the n-ary summation (∑).

• Smart dots, i.e., pressing three dots results in \dots.

• Auto capitalization, i.e., if the text before the cursor is . the capitalization is automatically enabled.

• Pressing the return key will trigger a heuristics that changes the cursor position inside or outside the command/environment option/argument, and if there isn’t a position to jump into, it inserts a new line.

• Subscript and superscript behave differently if the character behind the cursor is a empty space or not. If the character behind the cursor is a empty space the keyboard will insert {}, otherwise it won’t.

• If the cursor is immediately after a (La)TeX command, the backspace key will remove this (La)TeX command.