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 vector like 1,2,2,3,3,3,4,4,4,4
Derivative of polynomial
Perfect Square or not
Multiples of a Number in a Given Range
Set a Soroban Abacus
Inhomogenous Depth Scale Interpolation
Pull the variable y_correct from the Caller's Workspace
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