"Correct" answer does not have enough precision.
You need more test cases, with different values of n. Otherwise it's trivial to defeat the test suite.
I agree with Sean
I agree with Sean and Guillaume. I had to use "y = round(y*10000)/10000;" to get my code to pass the test.
Remove NaN ?
Back to basics 5 - Clipboard
Vectorize the digits of an Integer
Check that number is whole number
find whether it is prime or not
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