Funny Math Formula Birthday T-Shirt - 71 Years Old

Celebrate a 71st birthday with this unique black t-shirt! The tee features a bold, quirky design with the square root of 5041 prominently displayed, playfully indicating "71 years old." Math equations and formulas surround the central graphic, creating a fun, academic aesthetic. This short-sleeved tee is perfect for math lovers, teachers, or anyone with a great sense of humor. Made from comfortable, breathable fabric, it's ideal for casual wear, birthday parties, or as a memorable gift. Show off your witty side with this eye-catching birthday tee!