Happy 3.14 Day, Chicago!

Today is March 14 — otherwise known as 3-14 — otherwise known as Pi Day. And we have ways for you to celebrate this interesting day around Chicago.
Pi represents the ratio of a circle’s circumference to its diameter. The important mathematical constant is a never-ending number that is rounded down to 3.14, and that is why today, 3-14, is celebrated as Pi Day.
It is said that Pi dates back to ancient times. In fact, it was recently discovered that some special real estate, the Great Pyramids in Giza, have a ratio of perimeter in height that works out to Pi.
Pie with Pi on it.Most schools have a field day with this date, celebrating Pi Day and touting the benefits of math.
So, how can you honor Pi Day in and around your Chicago home?
*Have a Pi digit-counting contest. We’ll get you started: Pi = 3.14159. Computers calculate Pi to have more than two trillion digits after the decimal place, so see how far you can get rattling off all those numbers.
*Eat some pie. Many restaurants around Chicagoland that serve pies or pizzas are offering specials for $3.14 today. Check out Illinois Science Council for a list of some of those places.
*Celebrate math with your kids. Have them measure the area of a window or estimate the grocery bill. Make your own pie at home and have your child cut the measurements in half. Math is everywhere, so make it fun and kids will catch on.
*Listen to the song “American Pie.” It is long like the number Pi.
March 14 is not just Pi Day. Ironically, or not, 3-14 also happens to be Albert Einstein’s birthday.
And, it’s also something else in Chicago. Early voting for the aldermanic runoff races begins today at 17 sites in the city.
On April 5, there will be runoff elections for alderman in 14 wards who failed to secure more than 50 percent of the vote in the February election.
Early voting is available starting today through March 31. A registered Chicago voter can use any of the city’s sites to cast an early ballot. You don’t need a reason to vote early, but once you have voted, you can’t change your ballot.
To find a city location accepting Early Voting, visit chicagoelections.com.
And then go and enjoy Pi Day!