Pi Day, celebrated on March 14, honours mathematical constant Pi, recognising its significance in mathematics, particularly ...

“The Avogadro constant, commonly denoted NA or L, is an SI defining constant with an exact value of 6.02214076×1023 mol−1 ...

2.718281828459045... Euler’s number e is a mathematical constant that begins with 2.71828. Just like pi (π), it is non-terminating, which means it goes on and on. It is also an irrational ...

Meantime, at the Da Vinci Science Center in Allentown, people were learning about Pi, too. Students from Reach Cyber Charter ...

March 14 — a day you’re more likely than most others to eat — or throw — a pie and get a reduced price on your pizza. It’s ...