Here's a link to a website where you can print your own graph paper in a variety of dimensions:
http://www.donnayoung.org/math/graph-paper.htm

In addition, the website has tons of different "styles" of lined paper, charting, etc. It's been a great resource for a couple of years. I'm just too cheap to buy a pad of paper that will only be used a handful of times.

Being offended is a natural consequence of leaving the house. - Fran Lebowitz