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.
Test if a Number is a Palindrome without using any String Operations
Sophie Germain prime
Find Index of maximum Value and maximum Value of a vector
convert matrix to single column
Make a 1 hot vector
Television Screen Dimensions
Determine if a Given Number is a Triangle Number
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