U1A1.R

3+2

## [1] 5

3-2

## [1] 1

4-4

## [1] 0

3*2

## [1] 6

4*5

## [1] 20

10/2

## [1] 5

3^2

## [1] 9

3^1

## [1] 3

3^7

## [1] 2187

2^(-3)

## [1] 0.125

100^(1/2)

## [1] 10

sqrt(100)

## [1] 10

pi

## [1] 3.141593

exp(1)

## [1] 2.718282

log(exp(1))

## [1] 1

log10(1000)

## [1] 3

log2(8)

## [1] 3

log(16, base=4)

## [1] 2

sin(pi/2)

## [1] 1

cos(0)

## [1] 1

?log

## starting httpd help server ... done

installed.packages("ggplot2")

##      Package LibPath Version Priority Depends Imports LinkingTo Suggests
##      Enhances License License_is_FOSS License_restricts_use OS_type Archs
##      MD5sum NeedsCompilation Built