round(14.5) #Showing 14
round(13.5) #Showing 14
There is an explanation in
?round
that round goes to the even digit.
I believe this is one of the charming differences between what we are taught in math class versus what we are taught in computer class.
If you want to read more about rounding, see Rounding - Wikipedia
There are some other differences between math and computer science, for example in order of operations. Even Excel has some quirks. Enter = -3^2 in Excel and ask if you are happy with that result.
Yes, besides the issue of whether -3^2 equals -(3^2) or (-3)^2, software differs on the order of successive exponentiation, where a^(b^c) does not usually equal (a^b)^c.
Use extra parentheses to be sure.
This topic was automatically closed 21 days after the last reply. New replies are no longer allowed.
If you have a query related to it or one of the replies, start a new topic and refer back with a link.