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Pascal's Arithmetical Triangle: The Story of a Mathematical Idea"An impressive culmination of meticulous research into original sources, this definitive study constitutes the first full length history of the Arithmetic Triangle." Mathematics of Computation Pascal's Arithmetical Triangle was named for the seventeenth century French philosopher mathematician Blaise Pascal, though he did not invent it. A never ending equilateral triangle of numbers that follow the rule of adding the two numbers above to get the
"An impressive culmination of meticulous research into original sources, this definitive study constitutes the first full-length history of the Arithmetic Triangle." -- Mathematics of Computation Pascal's Arithmetical Triangle was named for the seventeenth-century French philosopher/mathematician Blaise Pascal, though he did not invent it. A never-ending equilateral triangle of numbers that follow the rule of adding the two numbers above to get the number below, it appears much earlier in the literature of Hindu and Arabic mathematics and continues to fascinate Western mathematicians. Two sides are comprised of "all 1s," and because the triangle is infinite, there is no "bottom side." This book by A. W. F. Edwards, Professor of Biometry at the University of Cambridge, explores Pascal's Arithmetical Triangle and the way it has been studied, enjoyed, and used by mathematicians throughout history. "A fascinating book...giving new insights into the early history of probability theory and combinatorics and incidentally providing much stimulating material for teachers of mathematics." -- G. A. Bernard, International Statistical Institute Review "Scrupulously researched . . . carries the reader along in a rewarding manner. It is a scientific who-dun-it and one must admire the author for the scholarly yet unpedantic manner in which he disperses some of the mists of antiquity." -- A. W. Kemp, Biometrics "Recommended not only to historians and mathematicians, but also to students seeking to put some life into the dry treatment of these topics to which they have doubtless been subjected." -- Ivor Grattan-Guinness, Annals of ScienceBinding Type: Paperback
Publisher: Dover Publications
Published: 06/12/2019
ISBN: 9780486832791
Pages: 224
Weight: 0.70lbs
Size: 8.90h x 5.90w x 0.50d
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★★★★★ 4
Decent face moisturizer with SPF
Huron’s SPF 30 Face Moisturizer offers a refreshing experience for daily sun protection. Unlike many other SPF products, this moisturizer does not have that overly strong "sunblock" smell, making it pleasant to use throughout the day. It's there, but it does not dominate the lotion when applied. Application goes on smoothly and absorbs quickly without leaving any sticky or streaky residue behind.
One of the standout features is how it avoids that common greasy feeling often associated with sunblock. Instead, it leaves your face feeling naturally soft and well-moisturized. Ideal for anyone looking for effective moisturizer with sun protection. Highly recommended for those who want a non-oily, fast-absorbing solution for their daily skincare routine.
I have previously tried Anthony Day Cream with SPF 30 and would rate this product in the same league.
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Reviewed in the United States on July 29, 2024
★★★★★ 5
LIGHT AND CLEAN
Scent: Face Moisturizer, Size: 3.4 Fl Oz (Pack of 1)
non greasy, pleasant scent, refreshing
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Reviewed in the United States on August 28, 2025
★★★★★ 5
Worth the price
Scent: Face Wash, Size: 5.1 Fl Oz (Pack of 1)
Although I was hesitant to buy this at first since it’s about twice the price as the facial cleansers I normally use, it’s by far the best face wash I’ve ever used. It exfoliates the skin very well and leaves your face feeling clean after use. Definitely worth the extra few dollars
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Reviewed in the United States on July 23, 2024
★★★★★ 5
For all skin type
Scent: Face Wash, Size: 5.1 Fl Oz (Pack of 2)
It gives the face a very clean wash compare to others i have use in the past, best i have seen so far.
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Reviewed in the United States on October 25, 2025
★★★★★ 3
Greasy, does not blend in well but does not leave white marms
Overall, when researching this product, I saw that it does not leave the white residue on your face like normal sunscreen does, I’m looking for a face moisturizer first with SPF but this one feels more just like an SPF sunscreen. It is pretty greasy shortly and after a few hours of having it on, especially when sweating it makes my face feel really oily, and also it does not blend in very well such as pretty much like I just mentioned you could still feel it on your face a couple hours later but if the no white resident is the most important thing for you, it does not leave that residue. It’s cruelty free and vegan product (no animal products in it or animal testing done) so that’s good but I will most likely not be purchasing this .
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Reviewed in the United States on June 24, 2024