Returns the nearest integer to the number n.
The round function returns the nearest integer to a number. When the fractional part is exactly 0.5, the function typically rounds up. For example, the round of returns the integer , while the round of returns .
round(6.28) = 6 round(6.5) = 7 round(1.3) = 1 round(1.7) = 2 round(0.8) = 1 round(7.813) = 8 round(16.21) = 16 round(5.0) = 5
Returns the integer part of the number n.
Returns the least integer greater than or equal to the number n.