The ref page for float (Reference>Language>Variables>Data types>Float) mentions: _or use the **round()** function: float x = 2.9; int y = **round(x)**_ But round() is not hyperlinked and is NOT listed in the top Language Reference list: www.arduino.cc/reference/en/ So users can't find out how round() works: round(2.01)=???, round(2.49)=???, round(2.5)=???, round(2.51)=???