Write a function that when given an odd number, produces an arrow-head function pointing to the right.
n = 3
n = 5
[ 1 0 0
0 1 0
0 0 1
1 0 0]
Find the sum of all the numbers of the input vector
Project Euler: Problem 7, Nth prime
Calculate the derivative of a polynomial
Perfect Square or not
Get ranks of values in a vector
Handle to an array of functions
Apply a function array to an array of numbers
Count up then down
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