There is an error in the test suite. The solutions act as though the value of numClass is always 4 when setting the bin width, but then use the correct value of numClass when doing the histogram.
I have fixed the error
Return elements unique to either input
Multiply a column by a row
Permute diagonal and antidiagonal
Calculate Alcohol By Volume with Original and Final Gravity
Dealing with correlation results!
Happy Free Wednesday!
Net Present Value of a Stream of Cash Flows
Check if the input is an interprime
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