Apparently, this user prefers to keep an air of mystery about them.
13 How to draw a double-ended arrow between the numerator and denominator in a frac inside a sqrt, and an arrow labeled by an otimes pointing to that? jun 11
12 How do I get non-italic words in a theorem environment? feb 23 '14
11 Compute and draw a convex hull jun 13
9 Mcq Answer Grid with Tikz dec 29