I fought against this problem during months... :)
Dear James, I got a few questions: how old are your lovely daughter? and how insanely creepy is this teacher to put number like "225802467" in her homework? That just kill us too.
Implement a ROT13 cipher
Back to basics 14 - Keywords
Sort numbers by outside digits
Sum the entries of each column of a matrix which satisfy a logical condition.
There are 10 types of people in the world
Diophantine Equations (Inspired by Project Euler, problem 66)
Circular Primes (based on Project Euler, problem 35)
How brilliant are you?
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