This cool notebook features word art with the characteristics of pi within a pi symbol. This is a great gift for teachers, professors, students, artists, mathematicians, mathletes, engineers, physicists, scientists, or anyone who loves math. Graph paper is excellent for writing, taking notes, sketching, drawing, mapping, designing, charting, work, school, and hobbies. Click "Math Books by Witty Logic" for more. Product details: 8.5 x 11 in Paperback 60 Sheets/120 Pages Quad Ruled Graph Paper 5x5 Black and White Matte Cover