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If a professor chooses to use the same book the following semester, even if it is a custom text, designed specifically for an individual instructor, bookstores often buy the book back. The GAO report found that, generally, if a book is in good condition and will be used on the campus again the next term, bookstores will pay students 50 percent ...
The Medicare Part D coverage gap (informally known as the Medicare donut hole) was a period of consumer payments for prescription medication costs that lay between the initial coverage limit and the catastrophic coverage threshold when the consumer was a member of a Medicare Part D prescription-drug program administered by the United States ...
Letter frequency is the number of times letters of the alphabet appear on average in written language. Letter frequency analysis dates back to the Arab mathematician Al-Kindi ( c. 801 –873 AD), who formally developed the method to break ciphers. Letter frequency analysis gained importance in Europe with the development of movable type in 1450 ...
The International Radiotelephony Spelling Alphabet or simply Radiotelephony Spelling Alphabet, commonly known as the NATO phonetic alphabet, is the most widely used set of clear-code words for communicating the letters of the Roman alphabet. Technically a radiotelephonic spelling alphabet, it goes by various names, including NATO spelling ...
The company has just announced textbook rentals for Kindle, which promises to let students save "up to 80 percent" off the list price of those often pricey textbooks.
A letter is a written message conveyed from one person (or group of people) to another through a medium. [ 1] Something epistolary means that it is a form of letter writing. The term usually excludes written material intended to be read in its original form by large numbers of people, such as newspapers and placards, although even these may ...
Letters from a Farmer in Pennsylvania is a series of essays written by the Pennsylvania lawyer and legislator John Dickinson (1732–1808) and published under the pseudonym "A Farmer" from 1767 to 1768. The twelve letters were widely read and reprinted throughout the Thirteen Colonies, and were important in uniting the colonists against the ...
t. e. Greek letters are used in mathematics, science, engineering, and other areas where mathematical notation is used as symbols for constants, special functions, and also conventionally for variables representing certain quantities. In these contexts, the capital letters and the small letters represent distinct and unrelated entities.