I'm busy answering a question by constructing a new math operator that uses the sum symbol and some TikZ placed on top. My answer as it stands can be found here. It looks (I think) pretty good in ...
I'm writing up a long paper, in which in prose I have various equations. However, I do not want a line break to occur within the equation - I want the equation to stick together. I want to do this ...
Upon reading What are the differences between $$, [, align, equation and displaymath?, I decided I really wanted to understand what was going on inside \[...\] and so I devised some tests. What I ...