Now that you have installed R on your computer, you can begin trying it out. To start using R, open the interactive R window by clicking on the R icon. Using R interactively, try out common arithmetic operators: +, -, /, *
For example, if 3*3 is entered on the command line, 9 is returned on the following line.
Up and down arrows can be used to scroll among previous commands if you want to repeat them or edit them for re-entry.
Try entering the following commands to see the output:
Next: Creating Objects and Assigning Values