Later this year, Circle to Search will also gain the ability to solve complex math equations that involve formulas, diagrams, graphs, and more. Google is using LearnLM, its new AI model that’s ...

Known around the world as "Pi Day," it’s a time to celebrate one of mathematics' most famous constants: Pi, the ratio of a circle's circumference to its diameter, approximately 3.1415.

See a full list of Pi Day deals. Whether you’re celebrating math, science or food deals, Pi Day has one thing in common: it brings everything to a full circle.