help.start() #A web-based set of help pages (try the link to "An Introduction to R")
help(sqrt) #Show details of the "sqrt" and similar functions
?sqrt #A shortcut to do the same thing
example(sqrt) #run the examples on the bottom of the help page for "sqrt"
help.search("maximum") #gives a list of functions involving the word "maximum", but oddly, "max" is not in there!
### The next line is commented out to reduce internet load. To try it, remove the first # sign.
#RSiteSearch("maximum") #search the R web site for anything to do with "maximum". Probably overkill here!