x <- 12
y <- 1
while (x >= 1) {
y = x * y
x = x-1
if (x == 1) {
print (y)
}
}
## [1] 479001600
by5.vector <- seq(20, 50, by=5)
print (by5.vector)
## [1] 20 25 30 35 40 45 50
quadratic <- function(a,b,c) {
root1 <- (-b + sqrt((b*b)-4*a*c))/(2*a)
root2 <- (-b - sqrt((b*b)-4*a*c))/(2*a)
solutions <- c(root1,root2)
return (solutions)
}
quadratic (3,1,-10)
## [1] 1.666667 -2.000000