Some restaurants are offering special $3.14 promotions this Friday. In honor of Pi Day, pizza chains and national restaurants are celebrating the sweet holiday with special promotions and even some ...

If you didn’t know, March 14 marks National Pi Day, an unofficial holiday that was created to honor the mathematical constant π and one of the world’s greatest minds, Albert Einstein. Over time, ...

Today is Pi Day, a celebration of the ratio of the circumference of a circle. Though the numeric value of Pi (π) actually goes on forever — according to Guinness World Records, the most accurate value ...

March 14 is commonly referred to as Pi Day, a day that aims to celebrate the ratio of the circumference of a circle. The number is known as 3.14 or π and can actually go on forever. The most accurate ...