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.
Connect Four Win Checker
Project Euler: Problem 1, Multiples of 3 and 5
Remove NaN ?
02 - Vector Variables 1
Convert Fahrenheit to Celsius
Television Screen Dimensions
Return the 'Size' of a String of Code
Next Lower Power of B
Parse me a Lisp
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