If you’re a mathematician, or a struggling calculus student, you know how integral integrals are. Perhaps you’re still haunted by the whole “finding the area under the curve” or “finding the area between two curves” part of your class. Or maybe you’ve moved on and see integrals as a stepping stone to bigger and better mathematical things. Whatever your reason for having integrals in your life, we want you to wear a shiny, gold one for those non-math moments in life. Purchase this necklace and wear it to happy hour with your classmate. Or you can turn it into the perfect gift for fellow math lovers, physicists, calculus fiends, or curious computer science students.