Karen I'm not sure about all computers, but the version of Windows that I have on my computer here at work and at home has Excel on it and it also has a tutorial part in the help menu.
I dogpiled "learining Exel online" and here are a couple of things that my help you.
M:39 H:39 K:S14;D8 T:22yr M:15yrs S:12/28/07 EA/PA 3/14/08 OW preg 11/17/08 born 12/12/08 his ~~~~~~~ Never allow someone to be your priority while allowing yourself to be their option