Input(n) is positive integer number
Output(r) is (number of "1" in binary input) / (number of bits).
Make a Palindrome Number
So many choices
Sum of first n terms of a harmonic progression
Sophie Germain prime
Is this triangle right-angled?
Return area of square
Create matrix with Gray code
Mean and standard deviation of times in string
Number of odd and even elements within matrix
Volume and area of a sphere
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