**Integer Division %/%**

Integer Division : Division in which the fractional part (remainder) is discarded

> c (2, 3, 5, 7) % / % c(2,3)

[1] 1 1 2 2

**Modulo Division (x mod y) %%:**

x mod y : modulo operation finds the remainder after division of one number by another

> c (2,3,5,7) %% 2

[1] 0 1 1 1

**Maximum: max**

**Maximum: min**

**Overview Over Further Functions**

**Example :**

> abs ( -4)

[1] 4

> abs (c(-1, -2, -3, 4, 5) )

[1] 1 2 3 4 5

> sqrt (4)

[1] 2

> sqrt ( c(4,9,16,25) )

[1] 2 3 4 5

> sum (c(2,3,5,7) )

[1] 17

> prod ( c( 2,3,5,7) )

[1] 20

> round (1.23)

[1] 1

> round (1.83)

[1] 2

**Assignments**

Assignments can be made in two ways:

> x<-6

> x

[1] 6

> mode(x)

[1] "numeric"

> x=8

> x

[1] 8

> mode (x)

[1] "numeric"

An assignments can also be used to save values in variables:

> x1 <- c(1,2,3,4)

> x2 <- x1^2

> x2

[1] 1 4 9 16

ATTENTION: R is case sensitive (X is not the same as x

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