Apparently, this user prefers to keep an air of mystery about them.
5 Counting overlapping figures jul 20 '14
4 How many different systems are there? apr 28 '14
4 Where does the constant increase by 2 of differences between integer square values come from? may 7
4 Drawing Marbles, Consecutive Colors 1d ago
3 Finding meeting point of discreet functions dec 19 '14