Happy Tau Day!! It’s time for another math holiday! June 28th is Tau Day. That’s because the number tau begins with 6.28, just like the date 6/28. Tau is an irrational number, meaning the decimal places continue forever! Here are the first several: Notice anything interesting about the number? This number is twice pi! Apparently,… Continue reading Tau 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
Happy Fibonacci Day! Every year on November 23rd, the 11/23 date format is from the beginning of the Fibonacci sequence. Each number in the sequence is the sum of the two preceding numbers. Check out math professor Arthur Benjamin’s short but inspiring TED talk to learn more: The Fibonacci Sequence is named after Italian mathematician… Continue reading Fibonacci Day 2019
The mole from chemistry that is. A mole (or mol) is a standard, scientific unit for measuring large quantities of very small entities, such as atoms. Avogadro’s number refers to the number of units in one mole of any substance. It’s time to celebrate Avogadro’s Number and the periodic table of elements! Why October 23rd?… Continue reading Happy Chemistry Week and Mole Day!
Happy Palindrome Day! Today’s date, 9/10/2019, is a palindrome! A palindrome is any number, phrase, word, etc. that has the same sequence going forward as it does in reverse. The date, when written in the format m/dd/yyyy as above, reads the same forwards and backwards. This makes it a palindrome. The last time that happened… Continue reading Palindrome Day 2019