Lurch

The word processor that can check your math

# How can I quickly format a math expression?

When typing math expressions such as $$x=\cos(t)\Rightarrow \vert x\vert \leq 1$$ it is traditional to italicize the variables like $$x$$ and $$t$$, but not the function name $$\cos$$, the integer $$1$$ or the other math symbols. Lurch automatically formats such expressions this way when you wrap the expression in a a meaningful expression bubble (highlight it and press CTRL+[).  You can take advantage of this auto-formatting even for math expressions that are in commentary by temporarily wrapping them in a meaningful expression bubble, and then destroying the bubble (highlight the expression, press CTRL+[ and then CTRL+SHIFT+backspace).  This can save you a lot of typing when trying to italicize just the identifiers that aren’t functions in an expression in commentary.




Note that if you don’t want Lurch to auto-format the contents of a meaningful expression bubble, you can turn off auto-formatting for that bubble by right clicking on the bubble and choosing Stop auto-formatting from the context menu.  This is useful if you want to override the default formatting of a meaningful expression.

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