Rational number - Wikipedia, the free encyclopedia
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In mathematics, a rational number is any number that can be expressed as the quotient a / b of two integers, with the denominator b not equal to zero. Since b may be equal to 1, every intege...
en.wikipedia.org/wiki/Rational_number
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Number - Wikipedia, the free encyclopedia
A number is a mathematical object used in counting and measuring. A notational symbol which represents a number is called a numeral, but in common usage the word number is used for both the abstract...
en.wikipedia.org/wiki/Number
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History and Acknowledgements ... The rational number class is a template to allow the programmer to control the overflow behaviour somewhat. If an unlimited precision integer type is available, rational numbers based on it will never overflow and will provide exact calculations in all circumstances.
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www.boost.org/libs/rational/rational.html
www.boost.org/libs/rational/rational.html
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Though Greek mathematicians understood as numbers only what we now call "the natural numbers", they dealt also with whole number ratios, and with geometric magnitudes, corresponding to what we now call rational and real numbers.
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www.rbjones.com/rbjpub/maths/math008.htm
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Version history for MB Rational Thought Number shows you how often it was updated over the past months (starting Oct 12, 2007) as well as 'what is new' information for each update (if available, since this information provided by the author).
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www.softpile.com/apphistory/mb_free_rational_thought_nu...
www.softpile.com/apphistory/mb_free_rational_thought_number.html
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THe history of rational numbers is very good and interesting
http://wiki.answers.com/Q/History_of_rational_numbers
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Rational numbers are parts of a whole, expressed as a fraction (1/4), ... The zero and the counting numbers (1,2,3,...) make up the set of whole numbers. But not every number is a whole number. Our decimal system lets us write numbers of all types and sizes, using a clever symbol called the decimal point ... History of Math...
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homeschooling.gomilpitas.com/explore/rational.htm
homeschooling.gomilpitas.com/explore/rational.htm
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Historical notes from Stephen Wolfram's 'A New Kind of Science' ... Notes for Chapter 4: Systems Based on Numbers ; Section: The Notion of Numbers ; Page 901; History of numbers. Numbers were probably first used many thousands of years ago in commerce, and initially only whole numbers and perhaps rational numbers were needed.
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www.wolframscience.com/reference/notes/901d
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The Lesson Plan Library offers high school lesson plans covering all major school subjects and special interests. ... Discovering Math: Rational Number Concepts video ... Context: The study of ancient Egyptian history was made easier by translating the hieroglyphic symbols found on the walls of temples and tombs.
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school.discoveryeducation.com/lessonplans/programs/rati...
school.discoveryeducation.com/lessonplans/programs/rationalNumConcepts/
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