Keep your data and equations organized with the National Brand Computation book. The pages are quadrille ruled in a neat grid so you can draw straight lines and make tidy graphs and columns of numbers. With green paper your writing is easier for yourself and others to read. This graph paper composition book measures 9.25 x 11.75 and is convenient for on-the-go note-taking and jotting down data while on the job. Each page is numbered and also has a headline area and margins for writing titles and other notes for added reference and organization. The cover is made of durable pressboard and features a customizable level with spaces to fill in your name address and other information. The quadrille ruled composition book has a pad of 75 sheets for a total of 150 pages held in place by a sewn binding.