[thaumasiotes]

> Simply put, in many languages there is no addition operator which does mathematically correct addition and that is a sad state of affairs.

I read a book on Clojure when it was fairly new containing a spirited defense of the fact that arithmetic operators like + and - always returned the correct result. This was slower, because they needed to do bounds checking, but the result was always correct. If you wanted faster arithmetic with bugs, you'd use the explicit operators +. or -. (or *. or, presumably, /. -- I'm not sure how division was handled).

Shortly after that, Clojure reversed its policy and + will give you fast addition with bugs.