Tomorrow (March 14) is an important day for math lovers! It is the famous Pi Day! Pi is approximately 3.14 which corresponds to the date March 14.

Check out our post last year on Pi Day:

• Did you know, Pi day is also Einstein’s Birthday?
  Was Einstein destined to be a Math genius? He was born on Pi Day!

Here are some other previous posts on Pi:

• How to get Pi on Calculator – Without pressing the Pi Button
  You may want to think about it before looking at the answer. How on earth do we get Pi on the scientific calculator without pressing it? Hint: It is possible, in at least 5 different ways!

• The Mystery of e^Pi-Pi (Very Mysterious Number)
  Without giving out the spoiler, just note that is a very mysterious number. How mysterious? Take a look at the post to find out!

If you are looking for a Pi Day T Shirt, Pi Day Once in a Century March 14, 2015 T-Shirt Large Black is definitely what you are looking for. By the way, this year’s Pi Day is a league above the other Pi Days, as you can see from the image below. (click the image for a larger picture) This year’s Pi Day date culminates in the lengthy decimal expansion of Pi: 3.141592653! The year 2015 (i.e this year) is needed for the “15” in the decimal.