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Description
Practical Conic Sections: The Geometric Properties of Ellipses, Parabolas and HyperbolasIllustrated with interesting examples from everyday life, this text shows how to create ellipses, parabolas, and hyperbolas and presents fascinating historical background on their ancient origins. The text starts with a discussion of techniques for generating the conic curves, showing how to create accurate depictions of large or small conic curves and describing their reflective properties, from light in telescopes to sound in microphones and
Illustrated with interesting examples from everyday life, this text shows how to create ellipses, parabolas, and hyperbolas and presents fascinating historical background on their ancient origins. The text starts with a discussion of techniques for generating the conic curves, showing how to create accurate depictions of large or small conic curves and describing their reflective properties, from light in telescopes to sound in microphones and amplifiers. It further defines the role of curves in the construction of auditoriums, antennas, lamps, and numerous other design applications. Only a basic knowledge of plane geometry needed; suitable for undergraduate courses. 1993 edition. 98 figures.Binding Type: Paperback
Publisher: Dover Publications
Published: 10/18/2010
ISBN: 9780486428765
Pages: 112
Weight: 0.47lbs
Size: 9.02h x 6.56w x 0.32d
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4.7 ★★★★★
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★★★★★ 5
Great foaming hand soap.
Scent: Coconut, Size: 64 Fl Oz (Pack of 1)
Love this soap refill. Smells amazing and rinses easily without residue. Leaves my hands soft. It foams to the last drop too. The big bottle lasts a long time.
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Reviewed in the United States on September 14, 2025
★★★★★ 4
Good hand soap
Scent: Coconut, Size: 64 Fl Oz (Pack of 1)
This is a fragrant, good foaming hand soap. I have sensitive skin and it doesnt bother me, plus you can get multiple uses out of it due to it being just the liquid. I gave it 4 stars because it meets all the requirements however I do think its pretty expensive for a half gallon. The seller could do better on pricing affordability but other than that- it came on time and is a good scent (wish they had more to select from). This is my second time buying from this seller and each experience has been good overall. Would reccomend.
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Reviewed in the United States on February 25, 2025
★★★★★ 5
Big bottle and inexpensive but worth it!
Scent: Coconut, Size: 64 Fl Oz (Pack of 1)
Nice sized, generous bottle that works great in all my foaming hand wash dispensers. Smells like a tropical delight and great value for the money. Will buy again for sure!
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Reviewed in the United States on December 26, 2025
★★★★★ 5
Amazing
Scent: Mango, Size: 64 Fl Oz (Pack of 1)
Scent is nice and light, not over powering. Cleans like soap. Lol
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Reviewed in the United States on February 10, 2026
★★★★★ 5
Foam soap, hand cleaner
Scent: Coconut, Size: 64 Fl Oz (Pack of 1)
It's good, very good foam.Smells good. This is my second time buying, so I like it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 15, 2025
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