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Description
A Course of Pure Mathematics: Third EditionOriginally published in 1908, this classic calculus text transformed university teaching and remains a must read for all students of introductory mathematical analysis. Clear, rigorous explanations of the mathematics of analytical number theory and calculus cover single variable calculus, sequences, number series, and properties of cos, sin, and log. Meticulous expositions detail the fundamental ideas underlying differential and integral calculus, the
Originally published in 1908, this classic calculus text transformed university teaching and remains a must-read for all students of introductory mathematical analysis. Clear, rigorous explanations of the mathematics of analytical number theory and calculus cover single-variable calculus, sequences, number series, and properties of cos, sin, and log. Meticulous expositions detail the fundamental ideas underlying differential and integral calculus, the properties of infinite series, and the notion of limit.An expert in the fields of analysis and number theory, author G. H. Hardy taught for decades at both Cambridge and Oxford. A Course of Pure Mathematics is suitable for college and high school students and teachers of calculus as well as fans of pure math. Each chapter includes demanding problem sets that allow students to apply the principles directly, and four helpful Appendixes supplement the text.
Binding Type: Paperback
Publisher: Dover Publications
Published: 07/18/2018
ISBN: 9780486822358
Pages: 464
Weight: 1.41lbs
Size: 8.90h x 6.00w x 1.00d
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4.8 ★★★★★
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★★★★★ 5
Me gusta
Me encantó este producto yo lo compré para proteger mi piel del sol y me ha funcionado bien mi piel esta mas suave y umectada
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Reviewed in the United States on December 11, 2025
★★★★★ 1
revisar antes de mandarlo
Size: 1.69 Fl Oz (Pack of 1)
no bueno porque estaba roto el pomo
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Protector solar e hidratante
Este protector solar es el mejor que he probado aparte que protege mi piel la deja súper hidratada, no deja residuos blancos ni irrita los ojos eso es lo mejor de este protector desde que empecé a usarlo 2 años atrás no lo cambio por ninguno
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Reviewed in the United States on September 2, 2025
★★★★★ 5
will purchase again
Style: Face, Size: 2 Fl Oz (Pack of 1)
This is a really great sunscreen. Leaves your skin moisturized and does not leave a white residue. I always wear sunscreen and this is a winner to me. Smells nice too.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Is this even real?!!!
Style: Face, Size: 2 Fl Oz (Pack of 1)
Ok, I am a sunscreen fanatic and have tried most products on the market and I am SO impressed with this product!!! It is by far the best daily facial sunscreen I've used so far!!! I really can hardly believe it is a (non-nano) zinc base as it leave absolutely NO whitish finish.
First of all, it's hard to find a sunscreen with only physical UV blockers (zinc or titanium) without any added chemical blockers. There are a few (including the Korean skincare products) but they ALL leave a white film. This is the FIRST all zinc sunscreen that looks completely natural after application. I still have NO idea how they did this without using nano-zinc!!!
Second, the texture and finish are so light and non-greasy that I cannot tell that I put anything on my face. It's fantastic!!! It absorbs right in!! Granted, I do not have oily skin so I cannot speak for someone who does. It isn't drying but also not super moisturizing so if you have dry skin, you might want to use a heavier cream under this product.
Third, the smell is light and pleasant. i do not find it overwhelming or distracting. I rather like it.
The downsides are (1) it is not inexpensive at about $20/2 oz and (2) it is not sweat resistant (though it suppose that would come at a cost of a more greasy texture).
I love love love this sunscreen!!! I only started using it recently so I'll see if it really works well to protect my face from UV exposure... I'll update this later regarding the effectiveness as a sunscreen.
Thanks for a fantastic product!!!
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Reviewed in the United States on March 3, 2020