Winged Pi T-Shirts and GiftsBeing a math geek doesn't mean giving up your sense of style. "Winged Pi" is a contemporary take on pi that features math AND an artistic flair. Perfect for math geeks who don't have their glasses taped together.
Several pi formulas(-ae) included (though may be obscured by other elements in the design): The Famous Five; 1997 formula published by David H. Bailey, Peter Borwein and Simon Plouffe, and; D. & G. Chudnovsky formula published in 1987. Also includes (obscured), the first 1,006 decimal places of pi.