For years, people — you can call us nerds or geeks, if you want to — have celebrated Pi Day on 3/14 (remember pi is usually rounded to 3.14), and this Pi Day marks a once in a lifetime event since it will be 3/14/15. But you don't have to be a world class mathematician to get in on the fun — all you have to do is show a little pi pride. Whether it's on your walls, in the classroom, or on your body, here are 15 awesome ways to flaunt your love for your favorite mathematical symbol.

### Pi Day Shirt

Rock this Pi Day of the Century shirt at all your Pi Day parties!

*Pi Day 2015 T-Shirt, $19.90, **etsy.com*

### 3.14 Bracelet

This bracelet is so cute that your teacher might not even call it cheating if you wore it to class.

*Pi 3.14 Stamped Bracelet, $13, **etsy.com*

### Pi Day Buttons

Now you and your friends can identify yourselves as proud math nerds — and let everyone at the bar know why you’re so excited.

*Pi Day Buttons, $1.50, **etsy.com*

### Pi Cookie Cutter

Math is always more fun with cookies!

*Pi Symbol Cookie Cutter, $5.50, **etsy.com*

### Pi Wall Clock

It’s pi time you bought this clock (sorry, not sorry).

*Once in a Century Pi Clock, $22.99, **etsy.com*

### Pi Earrings

These little studs are perfect for celebrating Pi Day in style.

*Pi Stud Earring Pair, $20, **etsy.com*

### Pi Symbol Shirt

I love this shirt because the symbol is made up of the numbers (not all, obviously, but a lot) in pi. So clever.

*Pi T-shirt, $24, **etsy.com*

### Pi Mathematicians Print

Not only is this a cool piece of pi wall art, but the words that make up the symbol are names of famous mathematicians!

*Mathematician Pi Typography Print, $16, **etsy.com*

### Pi Shot Glass

So many pi jokes, so little time. Speaking of which, every time someone says a pi pun, take a shot.

*Pi Shot Glass, $5, **etsy.com*

### Pi Pie Pan

You guys — it’s a pi pan for *pie*. How could you not want this?

*Pi Pie Pan, $15, **etsy.com*

### Pi Necklace

I actually own two necklaces from this seller, and this pi one is very tempting.

*Pi Symbol Necklace, $9.99, **etsy.com*

### Pi Notebook

You’re going to ace that test if you’re taking notes in this cool notebook (also, you should definitely study said notes).

*Pi Chalkboard Notebook, $6.12, **etsy.com*

### Pi Decimal Print

I love the vintage style of this print. It looks like something that could have hung in the mathematician’s department of a university back in the day.

*Pi Wall Art Poster, $7.74, **etsy.com*

### Come to the Nerd Side Shirt

The shirt does not lie — us nerd have lots of pi.

*Come to the Nerd Side We Have Pi T-Shirt, $15, **etsy.com*

### 3.14 Pencils

You’ll be able to memorize the first 40 decimals or so of pi with these pastel pencils.

*3.14 Pi Pencils, $8, **etsy.com*