Basics of R- Session 3- Basic Operations and Functions

Dr Manohar Kapse

19 March 2019

R as Calculator

#Addition subtraction division and multiplication of numbers
2+3

## [1] 5

2-3

## [1] -1

2*3

## [1] 6

2/3

## [1] 0.6666667

2+9+8+8

## [1] 27

5-9+7*8

## [1] 52

# mathematical operator-   square, squaroot
x<-5
y<-4

sqrt(x+y)

## [1] 3

log(x)

## [1] 1.609438

log10(52)

## [1] 1.716003

exp(-x)

## [1] 0.006737947

#power  m^n

(x+y)^(1/3)

## [1] 2.080084

4^24

## [1] 2.81475e+14

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