3+2
## [1] 5
3-2
## [1] 1
8*8
## [1] 64
10/2
## [1] 5
3^2
## [1] 9
3^7
## [1] 2187
2^(-3)
## [1] 0.125
100^(1/2)
## [1] 10
sqrt(100)
## [1] 10
pi
## [1] 3.141593
6/pi
## [1] 1.909859
exp(1)
## [1] 2.718282
exp(10)
## [1] 22026.47
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