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 TOPICS This page:   history/biography    Search   Dr. Math See also the Dr. Math FAQ:   impossible constructions and   Roman numerals Internet Library:   history/biography HIGH SCHOOL About Math Analysis Algebra    basic algebra    equations/graphs/      translations    linear algebra    linear equations    polynomials Calculus Complex Numbers Calculators/    Computers Definitions Discrete Math    permutations/    combinations Exponents    Logarithms Fibonacci Sequence/   Golden Ratio Fractals Functions Geometry    Euclidean/plane      conic sections/        circles      constructions      coordinate plane      triangles/polygons    higher-dimensional      polyhedra    non-Euclidean    practical geometry    symmetry/tessellations History/Biography Interest Logic Negative Numbers Number Theory Physics/Chemistry Probability Projects Puzzles Sequences/Series Sets Square/Cube Roots Statistics Transcendental   Numbers Trigonometry Browse High School History/Biography Stars indicate particularly interesting answers or good places to begin browsing. Formula for Easter [06/12/1999] Is there a formula for finding the month and the day on which Easter falls in a given year? Four-Color Map Problem: Some History [12/10/1997] Could you please give me the history of this topic? Galley or Scratch Method of Division [12/08/2002] In the 15th century, what was the method for performing division? Gallons and Cubic Inches [09/04/2001] I know that 1 gallon is 231 cubic inches, based on the old English "wine gallon" unit. Why was the number 231 used? Garfield's Pythagorean Theorem Proof [02/27/1997] Which President of the United States wrote a proof of the Pythagorean Theorem? On what did he base his proof? Geometry History [8/8/1996] I'm looking information about the history of Geometry. Golden Rectangle History [9/7/1996] What is the history of the golden rectangle? When was it discovered and by whom? Halving and Halving Again - Zeno's Paradox [8/22/1996] Since we can never really get to zero by reducing something by halves, does that mean that we are floating on air? Harmonic Mean [12/15/1996] What is the harmonic mean and how do you use it? Hebrew Mathematics [09/21/2000] I need to write a one-page article on the Hebrew mathematics system. History and Applications of the Natural Logarithm [03/02/1998] I'm so surprised at how often the number e comes up. Where did it come from? Who first derived it? Why is it so common in the field of biology? History and Discovery of Imaginary Numbers [02/28/2006] How do mathematicians decide to create something like imaginary numbers and the square root of -1 being (i)? History and Origination of the Metric System [08/13/2005] Who invented the metric system? History of Calculating Pi [05/20/1998] How have the formulas for pi evolved throughout mathematical history? History of Circle Area Formula [03/19/2007] Do we know who figured out that pi*r^2 gives the area of a circle? History of Complex Numbers [12/12/2005] Why were complex numbers invented? History of DeMoivre's Theorem [11/14/1997] What is the history behind DeMoivre's theorem - did he base it on the work of predecessors? History of Exponent Notation [11/03/2003] Why is the symbol for exponents a smaller number above the base? How did it become this? What is the history of it? History of Imaginary Numbers [03/09/2001] Who invented imaginary numbers? The History of Numbers and Numerals [12/08/1998] Can you give me some information on the history of numbers? How were they developed and where are they used? History of Numerals and Counting: Bibliography [11/18/1996] Where do I find information on different systems of measurements? History of Numerals and Symbols [06/22/1998] Why and when did the change from Roman to Hindo-Arabic numerals occur? What is the history of +, -, =, /, etc.? History of Odd and Even Numbers [02/12/2004] Who invented the names 'odd' and 'even' numbers? When did they first start being used? History of Properties [12/11/2001] Who invented the properties? For example, the distributive property and the associative property. History of the Fraction Bar [09/01/2005] What is the original name of the fraction bar? I know it is called the vinculum, but was that the original name? If not, what was it originally called? History of the Mile [08/25/2002] Why are there 5,280 feet in a mile? History of the Order of Operations [11/22/2000] Can you give me some facts and conjectures about when, where, and why the order of operations was established? History of the Radical Sign [04/17/1997] Who invented the radical sign? History of the Root of an Equation [11/01/2007] Why are solutions to equations referred to as roots? History of the Word 'Exponent' [11/26/2003] Who came up with the name 'exponent'? History of the Word "Polynomial" [10/18/2006] My teacher asked me to find the meaning of "mials" in the word polynomials. I know "poly" means "many" but what is the meaning of "mials" or "nomials"? And from which language did it come? History of the y-intercept [03/18/2002] Why does the variable 'b' represent the y-intercept? History of Writing Decimals and Number Lines [10/28/1998] Why, on a number line, are the negative numbers are on the left? When you deal with decimals, why are the whole numbers are on the left? History of Zero and Place Value [02/17/1999] Where were zero and place value invented or discovered? How Can a Line Have Length? [04/14/1998] If a Euclidean point has no length, how can a union of Euclidean points form a Euclidean line segment with length? How Did Socrates Teach the Boy to Double the Area of a Square? [06/15/2010] Reading Plato's Meno leaves a student confused about how the ancient Greeks scaled squares. Doctor Rick walks through this story of Socrates and his method, emphasizing that they would have approached this puzzle -- as well as the Pythagorean Theorem -- geometrically. How Long is a Meter? a Second? [09/06/2001] How is the length of a meter currently determined? How to Use a Chinese Abacus [06/24/2004] An introduction to how the abacus works and examples of entering, reading and adding numbers using it. How Was the Pythagorean Thoerem Proved? [06/05/2006] How did Pythagoras derive the Pythagorean Theorem? Imaginary Numbers [10/11/1997] Who invented the imaginary number? Page: []

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