This notebook has 180 pages filled with 5x5 graph paper, also known as 'engineering' paper has five squares per inch, so each square measures .20" x .20" It is frequently used for math or science purposes for teens and adults. Some occupational therapists use squared paper for writing practice. Artists may use grids to copy pictures. Programmers, engineers and scientists may prefer graph paper for notes that involve formulas. Here are some other possible uses of this paper: Design projectsMapping for board/video/roleplay gamesDesigning floorplansTiling or yard landscapingPlaying pen and pencil gamesPlanning embroideryCross stitch or knitting. Alternate names: Coordinate paper, grid paper, squared paper or math paper