# Pi Approximation Day 2021

Happy Pi Approximation Day! Pi is a famous irrational number! π = 3.1415926535… The real Pi Day is on March 14th, so what’s with today? Since Pi is an irrational number, that means it goes on forever, and ever… Such a long number is a little unwieldy to use in calculations. Now we have a… Continue reading Pi Approximation Day 2021

# Happy Pi Day

March 14th is the birthday of Albert Einstein, born in Ulm, Germany, 1879. It is also Pi Day! Pi is calculated as the circumference of a circle, divided by its diameter – which is always the same, irrational number! The first three digits of pi coincide with the U.S. mm-dd-yy date format of 3/14, giving… Continue reading Happy Pi Day

# Pi Day 2020

March 14th is Pi Day! Today is also the birthday of Albert Einstein (1879-1955). Pi is the irrational number π = 3.1415926535… The first three digits of pi coincide with the U.S. mm-dd-yy date format of 3/14 for Pi Day. Pi is calculated as the circumference of a circle, divided by its diameter.  … Continue reading Pi Day 2020

# Pi Day 2019

March 14th is the birthday of Albert Einstein, but it’s also Pi Day! Pi is the irrational number π = 3.1415926535… The first three digits of pi coincide with the U.S. mm-dd-yy date format of 3/14 for Pi Day. Pi is the circumference of a circle, divided by its diameter. What else is usually a… Continue reading Pi Day 2019

# How to Bake Pi

March 14th is Pi Day! It’s also the birthday of Albert Einstein. In honor of Pi Day, today’s post highlights a pertinent book about mathematics. “It is a truth universally acknowledged that mathematics is difficult,” writes mathematics professor Eugenia Cheng, with as much tongue-in-cheek as Austen’s original statement. In How to Bake Pi, Cheng explains… Continue reading How to Bake Pi