Show off your love for math and a bit of humor with this unique black T-shirt! The design features a mathematical equation with a square root and other complex symbols, centered around the phrase “√1369 years old”. The design gives a nod to the result of 37, making it a clever and eye-catching statement piece. Made from what appears to be a soft and comfortable cotton blend, this tee is perfect for casual wear, math class, or as a conversation starter. It is ideal for math enthusiasts, teachers, and anyone with a playful sense of humor. This tee makes a great gift too!