Funny Math Happy Fathers Day Algebra Equation Card

This funny design is perfect for math lovers, teachers, accountants, computer geeks, arithmetic nerds, statisticians, or anyone who loves maths, calculation, and numbers. It says You're my number one Father, but the "one" is actually an easy algebra problem to solve. ----- You can change the words, font style or colour, or choose a different background colour. ----- 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. ----- This design is also available on shirts and mugs. ----- See more Father's Day designs and products at Alina's Pencil.