Check that number is whole number
Say x=15, then answer is 1.
x=15.2 , then answer is 0. http://en.wikipedia.org/wiki/Whole_number
test suite is poor
Remove any row in which a NaN appears
Sum of first n terms of a harmonic progression
Number of digits in an integer
Sum the numbers on the main diagonal
Case-insensitive Character Detection
Compute LOG(1+X) in natural log
MATLAB Basic: rounding IV
Add two hex numbers
Convert number from given base to other base
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