Quad Ruled Paper.  This filler paper is quad ruled, and is patterned with 1″ squares.  This paper is ideal for math, science, and business classes, along with the workplace, where people may need to make graphs and charts.  The quad rule allows you to easily draw the graphs and charts you need.  Paper is pre hole punched, so you can put it directly into your 3 ring binder to keep it all together.  Comes with 100 sheets of quad ruled paper in one pack, and there are 36 packs in one case.