R operators

x + y
x - y
 x * y
x / y
 x ^ y
x %% y
 x %/% y

> 4 %% 2
 [1] 0
> 4 %% 2
 [1] 0
> 4 %/% 2
 [1] 2
> 5 %/% 2
 [1] 2