Pi Delta Pi Pins and Buttons
Description: A black background with ornate golden borders. Large golden text reads '3.14 = PI' and 'Delta A.A.E. = PI'. To the right, a slice of pie with whipped cream is depicted. Below the equations, the text 'COINCIDENCE? I THINK NOT' is written in a similar golden font.
3.14 = PI "Delta A.A.E." = PI Coincidence? I Think Not Pie Slice Pin
by FARMERSTYLESS
$2.75 $3.25
Description: A white mathematical equation on a black background. It shows the square root of negative one, followed by a fraction with Delta 1 squared over 2 squared, and an equals sign leading to Pi.
Square Root of -1 Delta 1 Squared Over 2 Squared Equals Pi Pin
by studiobogares
$2.75 $3.25
Pi Delta Pi (Worn By Betty Childs) - Revenge of the Nerds Pin
by DarkLordPug
$2.75 $3.25
Description: A monochrome text-based representation of the Fourier transform formula. The top line reads 'Fourier transform' in a bold, sans-serif font. Below, the mathematical equation F(\xi) = \int_{-\infty}^{\infty} f(x)e^{-i2\pi x\xi} dx is displayed.
Fourier transform F(\xi) = Integral of f(x)e^{-i2\pi x\xi} dx Pin
by Pastel Dream Nostalgia
$2.75 $3.25
Description: A black background with red text and blue mathematical symbols. The top text reads "I can explain it to you". In the center, a blue inequality "ΔxΔp ≥ h/4π" is displayed. The bottom text reads "but I can't understand it for you". This references the Heisenberg Uncertainty Principle.
I Can Explain It To You But I Can't Understand It For You Heisenberg Uncertainty Principle Pin
by STEPHEN CHOU STD
$2.75 $3.25
