This Ampad® Computation Book offers premium graph-ruled sheets in a permanent stitch-bound notebook. Pages have top and side margins on grid-to-edge 4 x 4 graph ruling to provide scale and structure for technical drawings. Numbered pages help you navigate notes. Red pressboard covers make this format ideal for student or professional use. 9-3/8" x 11-3/4". Red pressboard cover, ivory paper, 76 sheets.