Arithmetic functions

Note: If a function takes more than one argument, the arguments are separated with semicolon ';'.

Rounding functions

int(x)

This method returns only the integer part of x.
int(2.8)=2
int(2.2)=2
int(2)=2
int(-4.1)=-4
int(-4.8)=-4

round(x)

This method rounds the value of x to the nearest integer
round(2.8)=3
round(2.2)=2
round(2)=2
round(-4.1)=-4
round(-4.8)=-5

ceil(x)

This function returns a value representing the smallest integer that is greater than or equal to x
ceil(2.8)=3
ceil(2.2)=3
ceil(2)=2
ceil(-4.1)=-4
ceil(-4.8)=-4

floor(x)

This function returns a value representing the largest integer that is less than or equal to x
floor(2.8)=2
floor(2.2)=2
floor(2)=2
floor(-4.1)=-5
floor(-4.8)=-5

frac(x)

This function returns a value without the integer part - only fraction remains
frac(45.789)=0.789
frac(-2.267)=-0.267