This stylish black t-shirt features a witty mathematical joke. The design displays the equation "√-4=2" followed by the phrase "It's all fun and games until someone loses an i." in clean, white font. Made from a comfortable-looking fabric, this tee is perfect for math enthusiasts with a sense of humor. It's ideal for casual wear, classroom settings, or as a conversation starter at social gatherings. Express your nerdy side with this unique and eye-catching t-shirt. Makes a great gift!