Keep an Eye Out for Imaginary Numbers Math Student ゴルフボール

Cute design perfect for mathematicians, geometry teachers or just your friends and family who love a bunch of calculus. Makes a fun special occasion idea for men, women, guys or girls who are into finding the area and circumference of a circle. Show how much you love your undergraduate or graduate students with this fun design during classes or holidays. Great for math majors and trigonometry teachers paired with a great sense of humor in a perfectly funny mathematical range.