Humorous Number One Dad Math Equation Fathers Day T-Shirt

This funny design is perfect for math lovers, teachers, accountants, computer geeks, arithmetic nerds, statisticians, or anyone who loves maths and numbers. It says You are my number one Dad, but the "one" is actually an easy algebra problem to solve. ----- You can change the words, font style or color, or choose a different style or color of shirt to personalize. Or choose a tank top, jacket, hoodie, etc. ----- Give one for Father's Day, a birthday, teacher thank you, retirement gift, or for that professor or instructor that is truly #1 in your book. ----- See more Father's Day designs and products at Alina's Pencil.