2+3
5-3
10/2
(10/2)-3
5*4
sqrt(9)
3**2
3^2
dave <- 2+3
dave
dave1<- 10+2
dave1
dave + dave1
chad <- c (3,4,5,6)
chad
chad +5
chad1 <- (chad+5) + chad
chad1
sqrt(chad)
s <- mean(chad)
s
mat <- matrix(data=c(9,2,3,4,5,6), ncol=3)
mat