Find if a string exists within external files
Last Column of the \tabularx package does not vertically align
Title case for theorem argument
Mathematic schema
Drawing two triangles using tikzpictures
Conditional newcommand depending on characters
Changing the title of an AMS article to small caps
Drawing a chess queen in a Tikz grid
TikZ: Get colour from an array and use it for drawing
Make a href link open multiple pages