Given a number, return the number of closed 'circles' in the base 10 numerical representation.
Note: the number 4 has no circles
8819 -> 5
Interpolating on a string (the ASCII values) is an interesting idea even though the long interpolation string could be reduced by subtracting '0', but at the expense of a "longer" solution.
Generate a random matrix A of (1,-1)
Celsius to Kelvin
03 - Matrix Variables 2
07 - Common functions and indexing 1
Solving Quadratic Equations (Version 1)
Make a 1 hot vector
Lychrel Number Test (Inspired by Project Euler Problem 55)
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