ok so it's not a pc..

but i have this thing and i don't know how to use it.

is there a website that shows in novice language which functions (keys) to use for each application? ie: graphing, absolute values, quad. formula?

why wear my pencil down when the paperweight with keys can do the work for me?

thanks

Your calculator should have came with a manual.

I have many a year with the TI-86. I've used in in everything including calculus, chemistry and even economics.

But in any case, here is the electronic version of the manual. Check it out...