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

  3^3

## [1] 27

  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