The almost-random configuration of pi can be difficult to remember, but Srilekha can type it in record time.

For thousands of years, mathematicians and scientists have worked on calculating the digits of pi -- a project that could literally go on forever. For now, we at least know the first 100 trillion ...

They've done it again: Emma Haruka Iwao and her Google Cloud teammates have calculated pi to a record precision of 100 trillion digits.

Scientists have calculated the value of pi to one hundred trillion digits, but you don't have to be a mathematician to understand it.

Every March 14, mathematicians, scientists and math lovers around the world celebrate Pi Day, a commemoration of the mathematical sign pi.

What is Pi Day, and why do we celebrate it every March 14? Here's what to know as math lovers around the world mark Pi Day.