N. Chungcheong Province Holds Pi Day Events
CHEONGJU, Mar. 15 (Korea Bizwire) — March 14 is commonly known as White Day for many, an occasion where loved ones share chocolates with one another. But for some, the day is also known as Pi Day. Pi Day commemorates Pierre Jartoux, a Jesuit missionary who rediscovered the mathematical constant that is a ratio of [...]