How can I tune my guitar by myself?

Question: How can I tune my guitar by myself!?

I have a guitar lession in about a week and my guitar is completely detuned!. How can I tune it by myself without using anything as a comparison!?Www@QuestionHome@Com

Best Answer - Chosen by Asker:

How about your computer!? Check THIS out;

http://www!.all-guitar-chords!.com/tuner!.p!.!.!.

If that doesn't work then try this;

http://www!.zzounds!.com/item--KORGA30Www@QuestionHome@Com

here's a wonderful little tool i find useful!. You can even download it to your desktop!. :D

http://www!.gieson!.com/Library/projects/u!.!.!.Www@QuestionHome@Com