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Order by Nov 17 (outside US) and Dec 8 (within US) for the best chance for your order to arrive by Dec 24

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A black sock with red, yellow, and red arching lines at the top of the sock with a math equation in white on the side of the foot - from 3Blue1Brown.
Blue, red, and yellow arching lines with a math equation below written in white - from 3Blue1Brown.
A black sock with red, yellow, and red arching lines at the top of the sock with a math equation in white on the side of the foot - from 3Blue1Brown.
Blue, red, and yellow arching lines with a math equation below written in white - from 3Blue1Brown.

Fourier Series Socks

$12.56
SizeL
Item is in stock Hurry! Low inventory Item is out of stock Item is unavailable
  • Description
  • Product Info

$12.56 = 4π

These socks show various periodic functions, as graphed on a cylinder, the way all periodic functions wish they were graphed.  Specifically, they show the first few Fourier series approximations of a square wave.

Each order comes with one pair of socks.

Size Medium fits women's shoe sizes 6 to 9.5.

Size Large fits men's shoe sizes 8 to 12.5.

About 60% cotton, 35% nylon, 5% spandex

Free standard domestic shipping on orders over $100

6 Month Return Policy

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A black sock with spiraling white lines and red, yellow, green, and blue arrows on an axis - from 3Blue1Brown.

Vector Field Socks

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A grey notebook titled "The Mathematical Quotebook Notebook" with a squiggly line in the middle and the quote "Do not be afraid to make mistakes...What you should be terrified of is a blank sheet in front of you after having thought about a problem for a while. - Bela Bollobas" near the bottom by "3Blue1Brown".

Mathematical Quotebook Notebook

$20.00

Out of stock
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Fourier Series Socks

$12.56

ABOUT THE CREATOR

3Blue1Brown

3Blue1Brown, by Grant Sanderson, is some combination of math and entertainment, depending on your disposition. The goal is for explanations to be driven by animations and for difficult problems to be made simple with changes in perspective.

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