This black t-shirt features a humorous math-related joke. The design includes the equation "√-4 = 2" followed by the phrase "It's all fun & games until someone loses an i". The tee has a classic fit with short sleeves and a crew neck. It's made from what appears to be a soft cotton blend, offering comfort and breathability. This t-shirt would be perfect for math enthusiasts, teachers, or anyone with a love for clever humor. Wear it casually, to school, or to math-themed events to spark conversation and show off your intellectual side. A great gift for the nerdy and proud.