If you’ve ever used GPS to find a new restaurant, track a workout, or navigate a construction site, you’ve used Dr. Gladys West’s math. Today is March 14th: Pi Day. While the world celebrates the infinite ratio of a circle’s circumference to its diameter, we at STEM Xposure Inc. are celebrating a different kind of mathematical infinity: the legacy of Dr. Gladys West. Real talk: Pi is cool, but Dr. West’s equations are the reason your "blue dot" on Google Maps actually knows w