Dell XPS 13 Now 31.4 Percent Off For Pi Day At Microsoft Store: Just $685.31 Microsoft kicked off an attractive promotion to celebrate Pi Day. In honor of the mathematical constant pi (3.14), the Dell XPS 13 is now 31.4 percent off on 3/14 (March 14) at the Microsoft Store. by Alexandra Burlacu
Culture Pi Day 2015: 14 Best Math And Food Movies On Netflix Streaming For 3.14.15 by Matthew Rappaport