Equation Hats

Description: equations

Description: Illustration of a wave equation

Description: Illustration with euler's equation

Description: Unsolvable equation

Description: The Lagrangian that describes almost everything in the universe, and the closest we have got to a theory of everything.

Description: The beautiful equation, or the Euler equation of complex analysis, this bit of mathematics enjoys accolades across geeky disciplines. Swiss mathematician Leonhard Euler first wrote the equality, which links together geometry, algebra, and five of the most essential symbols in math -- 0, 1, i, pi and e -- that are essential tools in scientific work. Theoretical physicist Richard Feynman was a huge fan and called it a "jewel" and a “remarkable” formula. Fans today refer to it as “the most beautiful equation."

Description: Schrodinger equation, one of the most famous equations among physics majors, and one of the most influential ones since it opens doors to theories we didn't know existed.

Description: Energy is equal mile coffee square

Description: It's all fun and games until someone loses an eye--or an i, the imaginary number missing from this equation gone wrong. The perfect gift for math teachers, or for anyone who enjoys a geeky pun.

Description: Show your love for your favorite classic Japanese TV show with this unique design!

Description: Entropy Equation with illustration.

Description: Another cow has been pressed into service for a mathematical joke, but this time in the graphs of sine and co(w)sine equations. The perfect gift for the math teacher or pun enthusiast.

Description: Being normal is overrated. That's why this t-shirt features graphs of other great distributions: hypergeometric, negative binomial, poisson, and geometric.

Description: Cute aliens display the quadratic formula like you've never seen it before. It's a great gift for math teachers, adorably geeky sci-fi enthusiasts, and more.

Description: These kawaii cute 3D shapes are speaking volumes - each has a speech bubble with the equation for calculating their volume!

Description: Illustration with euler's equation

Description: Excuse Me While I Science: Think Like A Proton and Stay Positive

Description: Also know as Euler's identity. It combines the numbers 0, 1, pi, e, and i in one equation.

Description: Funny dinosaur physics equation. Science Geek

Description: The infamous and very useful equation to move from contour integral to surface integral, also known as Stokes theorem.

Description: A minimalist black background with large white lettering displaying the mathematical equation "y = mx + b". The text is centrally aligned and takes up most of the visible space.

Description: Challenge the limits of logic and math with this thought-provoking design featuring the famous paradox: 1 + 2 + 3 + 4 + … = -1/12. While it may seem impossible, this surprising result pops up in advanced mathematics and quantum physics. Perfect for math lovers, physics geeks, or anyone who enjoys mind-bending concepts. Wear it as a conversation starter and show off your appreciation for the weird and wonderful world of infinite sums!

Description: illustration of the Einstein Equation

Description: The Religion Equation. Cult + Time = Religion. What's the difference between a cult and religion? Time! A cheeky, humorous concept designed for atheists and agnostics and maybe religious people with a sense of humour.

Description: For the math nerds, the pun lovers, and everyone aiming higher—this clever equation design says it all: “Be Greater Than Average.” A subtle and geeky way to flex your brainpower while inspiring others to rise above mediocrity. Perfect for teachers, students, mathletes, and logic lovers alike!

Description: Comic Equation

Description: Funny Math Equation Meme 6 ÷ 2(1 + 2) Ambiguity with Sad Cookie Character. This design features the infamous math equation 6 ÷ 2(1 + 2), known for sparking endless debates over the correct answer. Below it, a sad cartoon cookie shrugs in helpless confusion, embodying the emotional toll of mathematical ambiguity. With bold text declaring “AMBIGUITY: THE ONLY CORRECT ANSWER,” this meme blends nerd humor, snack absurdity, and visual wit. Perfect for math lovers, teachers, students, and anyone who’s ever questioned the rules of PEMDAS.

Description: Engineer Physics Relativity Equation Einstein You Matter

Description: Quantum mechanics Schroedinger equation

Description: A mathematical expression featuring a large summation symbol on the left, followed by an equals sign. To the right, the text '$x_n \times exomt$' is displayed. Below the summation symbol are the words 'limt' and 'limt dimt', indicating a limit.

Description: In the general theory of relativity, the Einstein field equations relate the geometry of spacetime to the distribution of matter within it.

Description: A simple white right triangle is depicted on a black background. The sides are labeled with 'a' and 'b', and the hypotenuse has the equation "a² + b² = c²" written on it. The phrase 'Even my cat knows this' is at the top.

Description: The Dalek Equation . . . For the Whovians who love a bit of science with their sci-fi, 'The Dalek Equation' is the perfect addition to the wardrobe. Whether you're traveling through time or just heading to the shop, this is the ultimate way to represent the Doctor's greatest foes.

Description: A minimalist white graphic on a black background. It shows a 3x3 grid on the left, a white arrow pointing right, and a second 3x3 grid on the right. Below the grids, the equation 'S = k log W' is displayed in white text.

Description: If Heisenberg were being dramatic his theory may have sounded more like this.

Description: Get ready for a delightful twist in the world of physics: Einstein's field equation! Because nothing says "we're related" quite like this fascinating formula.