this is the commented version of my previous entry (solution 181910)
this is my original submission modified for ease of reading
whoops, didn't see your thing about "easy to understand code."
Sum all integers from 1 to 2^n
How many monitors are connected ?
Doubling elements in a vector
Basics: 'Find the eigenvalues of given matrix
Convert a vector into a number
Poker Series 06: isThreeKind
Poker Series 07: IsTwoPair
Implement Solitaire cipher for N long deck.
Getting the row and column location from a matrix
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