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$32.65
per shirt
The Golden key T-Shirt
Qty:
Style
Basic T-Shirt
-$5.45
+$12.75
Colour & Print Process
White
Classic Printing: No Underbase
+$1.85
+$1.85
+$1.85
+$1.85
+$1.85
+$1.85
+$1.85
+$1.85
+$1.85
+$1.85
+$1.85
+$1.85
+$1.85
Vivid Printing: White Underbase
+$9.10
+$9.10
+$9.10
+$9.10
+$9.10
+$9.10
+$9.10
+$9.10
+$9.10
+$9.10
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About T-Shirts
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About This Design
The Golden key T-Shirt
Euler's product in relation to the zeta function, as Derbyshire refers to as the "golden key". Euler gave a thorough proof of this relation, which is an important aspect in the Riemann conjecture, relating to the distribution of primes. One of the most beautiful equations in all of maths.
Customer Reviews
4.7 out of 5 stars rating31.7K Total Reviews
31,676 Reviews
Reviews for similar products
5 out of 5 stars rating
By Shelley M.3 October 2022 • Verified Purchase
Value T-Shirt, White, Adult L
Zazzle Reviewer Program
I was really pleased with this shirt, the quality of the Tshirt was excellent, the artwork and print stands out and the fit is true to size....my son loved this for his 16th birthday 😀. Very good quality and color
5 out of 5 stars rating
By Stuart B.28 June 2025 • Verified Purchase
Basic Dark T-Shirt, Black, Adult L
Excellent design platform, great quality material and printing, and quick delivery: couldn't ask for more...
5 out of 5 stars rating
By Vivienne C.9 June 2023 • Verified Purchase
Basic T-Shirt, White, Adult S
Zazzle Reviewer Program
AAA+++ Perfect gift for my old dad. He loved it - highly recommend and will buy again. Printing looked perfect to me
Tags
Other Info
Product ID: 235756694079955762
Posted on 1/12/2012, 8:01 AM
Rating: G
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