It is once again Pi Day (March 14—which is like the first digits of pi: 3 and 14). Before getting into this year's celebration of pi, let me just summarize some of the most important things about this ...

Add Yahoo as a preferred source to see more of our stories on Google. Calling all mathematicians, a day where math and food meet is finally here! March 14, National Pi Day, honors 3.14 (π) the ratio ...

The circumference of a circle is the distance around the shape. The ability to round a number to a number of decimal places or to a number of significant figures means that answers can be written to ...

Swiss researchers said on Monday they had calculated the mathematical constant pi to a new world-record level of exactitude. The constant π is represented in this mosaic outside the Mathematics ...

Happy Pi Day, the annual celebration of this incredible, mysterious, and irrational mathematical constant. Happy Pi Day, the annual celebration of this incredible, mysterious, and irrational ...