These blank grid graph paper will be great for elementary math, geometry, calculus, trigonometry, physics, engineering, drawings, drafting, planning, arts, making graphs, puzzles, homework assignment or even for quick notesThey are 8.5 x 11 in (letter size). Files are provided in .png with transparent background, jpg white background and pdf. All with black & white, blue, red, green, and yellow color.All images or pictures are high resolution so you can have large illustrations of them and t