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Start your reading journey today on DL4ALL.org and unlock a world of imagination, knowledge, and inspiration! ![]() Free Download The Birth and Early Developments of Orthogonal Polynomials: A Chronological History English | 2025 | ISBN: 1611978505 | 611 Pages | PDF (True) | 10 MB The shape of the Earth was a significant scientific question in the eighteenth century. When it was discovered that the Earth was flattened at the poles, scientists sought to understand the cause, leading to the study of the gravitational attraction of celestial spheroids. The solution drew upon Newton's law of universal gravitation, which used the distance between two bodies based on the law of cosines. Expanding the inverse of this distance into a power series naturally leads to a class of orthogonal polynomials. These were introduced by Legendre and, a little bit later, by Laplace. Legendre was the first to prove their orthogonality. Thirty years later, Gauss, approaching the problem from the perspective of numerical quadrature, independently arrived at the same polynomials. Over time, as concern for the gravitational problem of spheroids waned, the intrinsic mathematical interest in orthogonal polynomials took precedence. The Birth and Early Developments of Orthogonal Polynomials: A Chronological History is the first book to describe the history of orthogonal polynomials, covering their birth and early developments from the end of the 18th century to the middle of the 20th century. It includes biographies of principal and lesser-known figures, anecdotes, and accounts of the countries and institutions involved. The book will appeal to researchers and students in applied mathematics, mathematical analysis, special functions, and orthogonal polynomials as well as to those interested in the history of mathematics and the sciences. ![]() Free Download The Billionaire's Playbook for Normies: How the Wealthy Invest-And How You Can Too by Porus Singh English | June 4, 2025 | ISBN: N/A | ASIN: B0FC24NJTC | 100 pages | EPUB | 0.81 Mb Unlock the Billionaire's Playbook: How to Invest Like the Wealthy-Even If You're Starting with $100 ![]() Free Download The Best Horror of the Year, Volume 17 English | 2025 | ASIN: B0G2MLR42V | 346 Pages | EPUB | 5.5 MB For more than four decades, Ellen Datlow has been at the center of horror. Bringing you the most frightening and terrifying stories, Datlow always has her finger on the pulse of what horror readers crave. Now, with the seventeenth volume of the series, Datlow is back again to bring you the stories that will keep you up at night. Encompassed in the pages of The Best Horror of the Year have been such illustrious writers as: Stephen King, Stephen Graham Jones, Paul Tremblay, Tananarive Due, Carmen Maria Machado, Joe Hill, Laird Barron, Mira Grant, and many others. ![]() Free Download The Beginner's Guide to Web3: Unlocking the Future of the Internet - Discover Blockchain Basics, and the Decentralized Web in a Step-by-Step Handbook for Newbies, Investors, and Future Developers by M.J CRYPTO English | July 20, 2025 | ISBN: N/A | ASIN: B0FJ8W62CY | 185 pages | EPUB | 2.42 Mb The Beginner's Guide to Web3 ![]() Free Download The Beginner's Guide to Sourdough: Best-Kept Secrets for Successful Bread Every Time by Amy Coyne English | 2025 | ASIN: B0DKB6LLWT | 256 Pages | True ePUB | 154 MB ![]() Free Download The Beginner's Guide to Crypto Fundamental Analysis: How to Research, Evaluate, and Invest in Blockchain Projects, Altcoins, Tokenomics, and DeFi for Long-Term Gains by M. J. CRYPTO English | April 26, 2025 | ISBN: N/A | ASIN: B0F6M4G5V7 | 168 pages | EPUB | 4.05 Mb Unlock the Secrets of Smart Crypto Investing - Master Fundamental Analysis Even If You're Just Starting Out! ![]() Free Download The Batch Lady Saves Christmas English | 2025 | ISBN: 1529970733 | 407 Pages | EPUB (True) | 76 MB The festive period just got easier with The Batch Lady method: save on holiday expenses, minimise waste and spend less time worrying this Christmas. ![]() Free Download The Banyamulenge Soldier: Genocide between Congo and Rwanda by Christopher P. 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