Graph paper is available either as loose leaf paper or bound in notebooks. It is commonly found in mathematics and engineering education settings and in laboratory notebooks. The lines are often used as guides for plotting graphs of functions or experimental data and drawing curves. Graph paper, coordinate paper, grid paper, or squared paper is writing paper that is printed with fine lines making up a regular grid. Writing paper with a grid Three styles of loose leaf graph paper: 10 squares per centimeter ('millimeter paper'), 5 squares per inch (“engineering paper'), 4 squares per inch (“quad paper')
