In computer science and mathematics, themodulo (or "modulus" or "mod") is the remainder after dividing one number by another. This beach towel is perfect for that over thinker in your life that seems to know all the nuances of science and engineering.
At checkout choose a local computer science and engineering education provider to receive a micro donation from your purchase. Let the recipient of this towel know how they are helping to make the world a smarter place.