Rounding
Nearest integer values tying away from zero are calculated using the [ and ] symbols or round function.
[0.5]
round (0.5)
Nearest integer values toward -∞ also known as floor values are calculated using the ⌊ and ⌋ symbols or floor function.
⌊0.5⌋
floor (0.5)
Nearest integer values toward +∞ also known as ceiling values are calculated using the ⌈ and ⌉ symbols or ceil function.
⌈0.5⌉
ceil (0.5)
Nearest integer values toward 0 i.e. the integer components are calculated using int function.
The fractional components are calculated using frac function.
int (0.5)
frac (0.5)