# Trigonometry Baseball T-Shirts

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Math and geometry addicts! Text says: Don't argue with a 90 degree angle - it's always right. Great holiday or birthday gift idea for math teachers and tutors.

Tags: 90, angle, funny, geometry, humor

I Love Pumpkin Pi Perfect Tee for Halloween 2016

Tags: pumpkin, love, halloween, 2016, 2017

Perfect gift for all Nerds & Geeks & friends of mathematics and physics. Ultimate Hipster nebula / space / galaxy design. A must for all the cool hipsters, universe, PI, Einstein, π & Big Bang fans.

Tags: science, nerd, geek, universe, space

Funny Pi-rate shirt design by Mudge Studios for those that celebrate Pi Day every day and more specifically honoring Pi Day on March 14th at 1:59 PM- that's 3.14159... Pi Day should never end. Featured is Pi as a swashbuckling pirate armed with eye patch, sword, peg leg and of course a parrot. Pi Rules!

Tags: pi-day, pi-symbol, math, teacher, class

Pi in the Sky shirts for those that celebrate Pi Day every March 14th- more specifically honoring Pi Day at 1:59 PM- that's 3.14159... Pi Day should never end. Featured is Pi in the sky of van Gogh's Starry Night. Great gift ideas for the math teacher, the mathlete, math student and arithmatic lovers of all ages.

Tags: pi-day, pi-in-the-sky, pi-humor, geek, nerd

Pi Pun

Tags: humor, moon-landing, funny, moon-pie, pi-symbol

Math & Science. You can't have one without the other.

Tags: science, math, geek, nerd

Over 300 digits of pi. Math geeks, students, and teachers rejoice.

Pi Day Symbol tee shirt Design by Mudge Studios. Celebrate the Awesomeness that is Pi with these Cool Pi Day Gift Ideas for your favorite Math Teacher, mathlete or the whole math class. Actually, Why wait for Pi Day? Pi Day should be everyday.

Tags: pi-day, pi-symbol, gift, gift-idea, math

The PI symbol inspired by the movie by Darren Aronofsky.

Tags: fibonacci-sequence, math, mathmatics, movies, darren-aronofsky

The PI symbol inspired by the movie by Darren Aronofsky.

Tags: love, 3-dot-1416, fibonacci-sequence, math, mathmatics

Pi Spiral, Mathematics, Pi Day, Math

Tags: geeky, sayings, humor, school, teacher

Official tee for equations+!

Tags: app, android, equals, plus, equations

My life without you is like cos90 = 0, me and you are sin90 = 1, and beside you is tan90 = undefined. Makes an awesome gift, buy 2 or more and save on shipping

Tags: geek, maths, math, mathematical, mathematician

Text says: Pi - stop being so irrational. Great Pi Day gift idea for the mathematician, math student, math tutor, math teacher or math geek

Tags: funny, trigonometry, science, school, pi-day

Pi rules! Show the world that you love math, algebra, calculus, geometry, trigonometry and mathematics. Great holiday or birthday gift idea for the mathematician, math student or teacher.

Tags: geek, because-math, back-to-school, trigonometry, student

In mathematics, the Pythagorean theorem, also known as Pythagoras's theorem, is a relation in Euclidean geometry among the three sides of a right triangle. It states that the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides.

Tags: pythagoras, science, college, education, university

piRATE

Tags: science, sum-pi, pie, i-ate-sum-pi, freethinker

Text says: Pi - stop being so irrational. Great Pi Day gift idea for the mathematician, math student, math tutor, math teacher or math geek

Tags: math, trigonometry, science, school, pi-day

profesional mathematics athlete

Tags: pi-day, love, cool, cute, funny

Science and physics humor! Great holiday or birthday gift idea for math teacher, engineer, physicist or physics professor. Text says: It's a physics thing, you wouldn't understand.

Tags: math-tutor, geek, scientist, trigonometry, science

profesional mathematics athlete

Tags: pi-day, love, cool, cute, funny

It's horrible! The Odd-pocalypse has begun! Time is dead, and meaning has no meaning! reality is turned on it's head and Bill reigns supreme! Ladies and gentlemen; prepare for Weirdmageddon!!! Inspired by the latest Gravity Falls episode. This shirt shows Bill Cipher imprisoning Mabel in a bubble with a shooting star. I hope that she is okay. Show your support by getting this shirt. Save Mabel Pines from what ever this Weirdmageddon has in store for the Pines family and their friends. #SaveMabel.

Tags: pop-culture, alex-hirsch, disney-xd, stanford-pines, stanley-pines

In mathematics, the Pythagorean theorem, also known as Pythagoras's theorem, is a relation in Euclidean geometry among the three sides of a right triangle. It states that the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides.

Tags: kathete, hypotenuse, rechter-winkel, satz-des-pythagoras, gleichung

An alternate version if you just wanted this cool looking Bill Cipher.

Tags: stanford-pines, disney-xd, alex-hirsch, pop-culture, weirdmageddon