I lost to Doug.
Back to basics 21 - Matrix replicating
Compute a dot product of two vectors x and y
Divisors of an integer
Find the hypotenuse
Find a Pythagorean triple
Convert a vector into a number
Project Euler: Problem 4, Palindromic numbers
Project Euler: Problem 5, Smallest multiple
Siblings of a graphics object
Project Euler: Problem 8, Find largest product in a large string of numbers
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