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[11] [12] The company operates stores dedicated to selling college textbooks, both on and off campus. [ 13 ] In June 2016, Barnes & Noble Education completed the acquisition of Promoversity, a custom merchandise supplier and e-commerce business that works with the collegiate bookstore business and its customers.
In August 2010, concurrently with introducing a web-based textbook rental service, Barnes and Noble—"one of the largest textbook retailers in the US" [59] —introduced the NOOK Study app "for the PC or Mac that lets users buy or rent e-book versions of their textbooks for use on the computer. [60]
Frobenius coin problem with 2-pence and 5-pence coins visualised as graphs: Sloping lines denote graphs of 2x+5y=n where n is the total in pence, and x and y are the non-negative number of 2p and 5p coins, respectively.
In mathematics, an n th root of a number x is a number r (the root) which, when raised to the power of the positive integer n, yields x: = ⏟ =.. The integer n is called the index or degree, and the number x of which the root is taken is the radicand.
In probability theory and statistics, the beta distribution is a family of continuous probability distributions defined on the interval [0, 1] or (0, 1) in terms of two positive parameters, denoted by alpha (α) and beta (β), that appear as exponents of the variable and its complement to 1, respectively, and control the shape of the distribution.
The first half, Lost Books of the Bible, is an unimproved reprint of a book published by William Hone in 1820, titled The Apocryphal New Testament, itself a reprint of a translation of the Apostolic Fathers done in 1693 by William Wake, who later became the Archbishop of Canterbury, and a smattering of medieval embellishments on the New ...
International Business Machines Corporation 1972–current logo, by Paul Rand IBM CHQ in Armonk, New York, in 2014 Trade name IBM Formerly Computing-Tabulating-Recording Company (1911–1924) Company type Public Traded as NYSE: IBM DJIA component S&P 100 component S&P 500 component B3: IBMB34 ISIN ISIN: US4592001014 Industry Information technology Predecessors Bundy Manufacturing Company ...
N.B. Pilling and R.E. Bedworth [2] suggested in 1923 that metals can be classed into two categories: those that form protective oxides, and those that cannot. They ascribed the protectiveness of the oxide to the volume the oxide takes in comparison to the volume of the metal used to produce this oxide in a corrosion process in dry air.