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Description
The Secret FormulaCondition: BRAND NEW ISBN: 9780691183671 Format: Trade binding Year: 2020 Publisher: Princeton University Press Description: The legendary Renaissance math duel that ushered in the modern age of algebra The Secret Formula tells the story of two Renaissance mathematicians whose jealousies, intrigues, and contentious debates led to the discovery of a formula for the solution of the cubic equation. Niccolo Tartaglia was a talented and ambitious teacher
Condition: BRAND NEWISBN: 9780691183671
Format: Trade binding
Year: 2020
Publisher: Princeton University Press
Description:
The legendary Renaissance math duel that ushered in the modern age of algebra
The Secret Formula tells the story of two Renaissance mathematicians whose jealousies, intrigues, and contentious debates led to the discovery of a formula for the solution of the cubic equation. Niccolo Tartaglia was a talented and ambitious teacher who possessed a secret formula-the key to unlocking a seemingly unsolvable, two-thousand-year-old mathematical problem. He wrote it down in the form of a poem to prevent other mathematicians from stealing it. Gerolamo Cardano was a physician, gifted scholar, and notorious gambler who would not hesitate to use flattery and even trickery to learn Tartaglia's secret.
Set against the backdrop of sixteenth-century Italy, The Secret Formula provides new and compelling insights into the peculiarities of Renaissance mathematics while bringing a turbulent and culturally vibrant age to life. It was an era when mathematicians challenged each other in intellectual duels held outdoors before enthusiastic crowds. Success not only enhanced the winner's reputation, but could result in prize money and professional acclaim. After hearing of Tartaglia's spectacular victory in one such contest in Venice, Cardano invited him to Milan, determined to obtain his secret by whatever means necessary. Cardano's intrigues paid off. In 1545, he was the first to publish a general solution of the cubic equation. Tartaglia, eager to take his revenge by establishing his superiority as the most brilliant mathematician of the age, challenged Cardano to the ultimate mathematical duel.
A lively and compelling account of genius, betrayal, and all
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★★★★★ 4
Good product, but small in quantity.
Scent: Rain Water, Size: 33 Fl Oz (Pack of 1)
I like this soap a lot, but the size surprised me enough that it is worth mentioning.
The Rainwater scent is clean and subtle, not overpowering or perfumey. The soap itself is clear, rinses clean, and does not leave my hands feeling dry or coated. I also appreciate that it is a more chemical conscious option that still works well for frequent handwashing.
That said, I was genuinely surprised by how small the refill container was. Yes, the ounces are listed right on the ad and package, but the bottle itself looks tiny in comparison to what I expected from the photo. For the price, the quantity felt underwhelming, and that ultimately led me to return it.
If the cost-to-quantity ratio made more sense, I would absolutely keep this on hand, because the product itself is very nice. Just go into it knowing the refill is smaller than you might expect based on the packaging.
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Reviewed in the United States on February 4, 2026
★★★★★ 5
Great hand soap
Scent: Rain Water, Size: 33 Fl Oz (Pack of 1)
Excellent product. The fragrance is subtle and fresh. The hand soap is gentle to the hands and it leaves a sensation of cleanness. I'm very satisfied with my purchase.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Good value for the money.
Scent: Rain Water, Size: 33 Fl Oz (Pack of 1)
Love Mrs. Meyers products. Cleans well, smells good. Gentle on your skin. Good value for the money
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Reviewed in the United States on May 29, 2026
★★★★★ 5
On my second bottle...
Scent: Rain Water, Size: 33 Fl Oz (Pack of 1)
I've now purchased two bottles of this hand soap. I love the smell! The soap itself is gentle but effective. It cleans well without drying out my hands, even with frequent use. I appreciate that it’s made with ingredients like aloe vera and essential oils, which helps keep my skin feeling soft instead of stripped. The scent is light, fresh, and clean without being overpowering. The “Rain Water” fragrance has a subtle, slightly floral smell that makes washing your hands feel a little more refreshing and enjoyable.
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Reviewed in the United States on March 22, 2026
★★★★★ 5
Soft Cotton Rounds That Work Well for Skincare
Size: 100 Count (Pack of 1), Size: 100 Count (Pack of 1)
These cotton rounds are soft, durable, and work well for everyday skincare and makeup removal. They don’t fall apart easily when using toner or micellar water, which I appreciate. The packaging is simple and convenient, and the quantity is great for the price. Overall, a reliable product to keep on hand.
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Reviewed in the United States on May 7, 2026
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