Write a function that calculates the ratio between the sum of primes numbers lower or equal to x, and the sum of the factors of x.
The 3rd test case, for x = 100; is wrong. Please correct it.
Done! thank you!
Test Suite problem #3 has an incorrect value for y_correct.
Select every other element of a vector
Sort a list of complex numbers based on far they are from the origin.
Most nonzero elements in row
Find the alphabetic word product
Remove the air bubbles
Get the value 100
Get the mean digit
Double the next!
Approximate the inverse tangent by power series
Check if is a square
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