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Turing machine

(Encyclopedia) Turing machine, a mathematical model of a device that computes via a series of discrete steps and is not limited in use by a fixed maximum amount of data storage. Introduced by the…

Flashcards Explained

Math Flashcards Addition Subtraction Multiplication Division Addition & Subtraction Terms Used in Addition Terms Used in Subtraction Terms Used in Multiplication Terms…

Moon Walks

Twelve astronauts have walked on the moon, the last in 1972. Here are the names of those astronauts listed chronologically by the date of their walk. July 20, 1969—Apollo 11Neil Armstrong Edwin “…

Economic Domino Theory

Dangers of Deflation Defined As we have already seen, the American economy is increasingly global and effects of a downturn in one area of the world can immediately affect the value of…

Selected Biographies: K

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z More Biographies Don't see the biography you're looking for? Search 30,000+ biographies Biographies…

Terms Used in Equations

Here are the terms used in equations for addition, subtraction, multiplication, and division. These terms include augend, addend, sum, subtrahend, minuend, difference, multiplicand, multiplier,…

Hagler, Marvelous Marvin

(Encyclopedia) Hagler, Marvelous Marvin (Marvin Nathaniel Hagler), 1954-2021, African American champion middle-weight boxer, b. Newark, N.J. Raised…

The Columbia Encyclopedia Sixth Edition

Editor Paul Lagassé Senior Editors Lora Goldman Archie Hobson Susan R. Norton Associate Editors Barry J. Katzen Alan D. Levy Theodore Zinn Contributors Curt Bertschi Helen…

Banking in the United States

Here are key moments in the history of U.S. banking 1781 The first U.S. commerical bank is incorporated in Philadelphia, the Bank of North America. 1791 The First…

Bob Goodenow

Born: Oct. 29, 1952Hockey succeeded Alan Eagleson as executive director of NHL Players Assn. in 1990; led players out on 10-day strike (Apr. 1-10) in 1992, during 103-day owners’ lockout in 1994-95…