Author of the article: Rita DeMontis Publishing date: Mar 13, 2021 • March 13, 2021 • 4 minute read • Photo by Janis Nicolay /Appetite by Random House, division of Penguin Random House Canada Ltd Reviews and recommendations are unbiased and products are independently selected. Postmedia may earn an affiliate commission from purchases made through links on this page. Article content Care for some pi? Don’t mind if I do – March 14 is National Pi Day (not to be confused with the other National Pie Day in January) and it’s all about celebrating our inner geek by combining the love of a good slice of nice with the mathematical constant Pi (“π” or “pi”), originally defined as the ratio of a circle’s circumference to its diameter.