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
radius of a spherical planet
Make one big string out of two smaller strings
First non-zero element in each column
Back to basics 8 - Matrix Diagonals
Summation of array
MATLAB Basic: rounding IV
Cumulative product of a vector
Find Excess 3 code of given decimal number.
Solve Linear equations
Add two different item as shown in example
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