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Album: Merch

Pythagorean Theorem Dark T-Shirt

Description: A classic visual proof of the Pythagorean theorem suitable for dark shirts.

Pythagorean Theorem Dark T-Shirt

$16.00 $22.00

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Eight Perfect Shuffles T-Shirt

Description: A diagram depicting the process of eight perfect riffle shuffles on a deck of 52 cards.

Eight Perfect Shuffles T-Shirt

$16.00 $22.00

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Finite Sums of Positive Integers T-Shirt

Description: A Classic visual proof showing that the sum of the first n positive integers is n times n+1 divided by 2.

Finite Sums of Positive Integers T-Shirt

$16.00 $22.00

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Spiral of Theodorus T-Shirt

Description: A famous spiral construction using the pythagorean theorem to draw the square root of any value.

Spiral of Theodorus T-Shirt

$16.00 $22.00

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Eight Perfect Shuffles Dark T-Shirt

Description: The eight perfect shuffles design suitable for darker apparel.

Eight Perfect Shuffles Dark T-Shirt

$16.00 $22.00

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Three Equal Area Parts T-Shirt

Description: A circle divided into three parts

Three Equal Area Parts T-Shirt

$21.00 $25.00

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Tatami Diagram T-Shirt

Description: A Tatami Diagram - Used in many visual proofs including the AM-GM inequality.

Tatami Diagram T-Shirt

$16.00 $22.00

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Pythagorean Theorem Classic Proof T-Shirt

Description: A classic visual proof of the Pythagorean theorem from Zhoubi Suanjing.

Pythagorean Theorem Classic Proof T-Shirt

$16.00 $22.00

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Dodecagon Dissection T-Shirt

Description: A visual proof showing that the area of the regular dodecagon in a unit circle is 3.

Dodecagon Dissection T-Shirt

$21.00 $25.00

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Geometric Sum of Powers of 1/4 T-Shirt

Description: A visual proof that the sum of powers of 1/4 is equal to 1/3.

Geometric Sum of Powers of 1/4 T-Shirt

$16.00 $22.00

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Circle Area T-Shirt

Description: A visual proof of the area formula for a circle.

Circle Area T-Shirt

$16.00 $22.00

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Cowculator Crewneck Sweatshirt

Description: A joke about a cow who can't do a calculation.

Cowculator Crewneck Sweatshirt

$23.00 $29.00

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Geometric Sum of Powers of 1/4 Tank Top

Description: A visual proof that the sum of powers of 1/4 is equal to 1/3.

Geometric Sum of Powers of 1/4 Tank Top

$17.00 $22.00

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Circle Area Tank Top

Description: A visual proof of the area formula for a circle.

Circle Area Tank Top

$17.00 $22.00

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Three Equal Area Parts Kids T-Shirt

Description: A circle divided into three parts

Three Equal Area Parts Kids T-Shirt

$17.00 $22.00

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Geometric Sum of Powers of 1/4 Hoodie

Description: A visual proof that the sum of powers of 1/4 is equal to 1/3.

Geometric Sum of Powers of 1/4 Hoodie

$35.00 $38.00

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Circle Area Hoodie

Description: A visual proof of the area formula for a circle.

Circle Area Hoodie

$35.00 $38.00

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Three Equal Area Parts Crewneck Sweatshirt

Description: A circle divided into three parts

Three Equal Area Parts Crewneck Sweatshirt

$23.00 $29.00

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Geometric Sum of Powers of 1/4 Crewneck Sweatshirt

Description: A visual proof that the sum of powers of 1/4 is equal to 1/3.

Circle Area Crewneck Sweatshirt

Description: A visual proof of the area formula for a circle.

Circle Area Crewneck Sweatshirt

$23.00 $29.00

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Geometric Sum of Powers of 1/4 Posters and Art

Description: A visual proof that the sum of powers of 1/4 is equal to 1/3.

Circle Area Posters and Art

Description: A visual proof of the area formula for a circle.

Circle Area Posters and Art

$11.00 $14.00

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Three Equal Area Parts Long Sleeve T-Shirt

Description: A circle divided into three parts

Three Equal Area Parts Long Sleeve T-Shirt

$20.00 $25.00

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Geometric Sum of Powers of 1/4 Long Sleeve T-Shirt

Description: A visual proof that the sum of powers of 1/4 is equal to 1/3.

Circle Area Long Sleeve T-Shirt

Description: A visual proof of the area formula for a circle.

Circle Area Long Sleeve T-Shirt

$20.00 $25.00

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Geometric Sum of Powers of 1/4 Baseball T-Shirt

Description: A visual proof that the sum of powers of 1/4 is equal to 1/3.

Circle Area Baseball T-Shirt

Description: A visual proof of the area formula for a circle.

Circle Area Baseball T-Shirt

$19.00 $25.00

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Geometric Sum of Powers of 1/4 Phone Case

Description: A visual proof that the sum of powers of 1/4 is equal to 1/3.

Geometric Sum of Powers of 1/4 Phone Case

$18.00 $23.00

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Circle Area Phone Case

Description: A visual proof of the area formula for a circle.

Circle Area Phone Case

$18.00 $23.00

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Geometric Sum of Powers of 1/4 Mug

Description: A visual proof that the sum of powers of 1/4 is equal to 1/3.

Geometric Sum of Powers of 1/4 Mug

$12.00 $15.00

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Circle Area Mug

Description: A visual proof of the area formula for a circle.

Circle Area Mug

$12.00 $15.00

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Three Equal Area Parts Kids Long Sleeve T-Shirt

Description: A circle divided into three parts

Geometric Sum of Powers of 1/4 Sticker

Description: A visual proof that the sum of powers of 1/4 is equal to 1/3.

Geometric Sum of Powers of 1/4 Sticker

$2.50 $3.00

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Circle Area Sticker

Description: A visual proof of the area formula for a circle.

Circle Area Sticker

$2.50 $3.00

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Geometric Sum of Powers of 1/4 Pillow

Description: A visual proof that the sum of powers of 1/4 is equal to 1/3.

Geometric Sum of Powers of 1/4 Pillow

$20.00 $25.00

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Circle Area Pillow

Description: A visual proof of the area formula for a circle.

Circle Area Pillow

$20.00 $25.00

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