Apparently, this user prefers to keep an air of mystery about them.
9 How do I get a two-term polynomial with a leading negative sign to display in the correct (i.e. textbook) order? mar 5 '13
8 How do I write a function that can be used in a rule to modify both sides of an equation? [duplicate] feb 15 '13
3 How does MakeBoxes handle an n-ary operator? mar 4 '13
1 Deep Pattern matching with repeating arguments feb 26 '13
1 Deep Pattern matching with repeating arguments feb 27 '13