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 TOPICS This page:   about math    Search   Dr. Math See also the Dr. Math FAQ:   why study math? 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 About Math Stars indicate particularly interesting answers or good places to begin browsing. Why Learn Geometric Proofs? [02/27/2002] Why are we taught geometric proofs if the vast majority of us will never use them? Why Learn to Factor? [07/08/2002] Why do I need to learn to factor expressions if I'm going to be a fashion designer? Why Proofs? Definitions and Axioms [09/16/2001] Why are proofs important in the development of a mathematical system like geometry? 'Why' Questions in Math [04/19/2002] Is math a bad area for asking 'why' questions? Why Should I Study Calculus? [03/04/2001] I am starting an AP calculus class next year and I would like to know why I should study calculus. Why Study Upper-Level Math? [10/10/2001] I'm talking about pre-calculus, calculus, trigonometry, that sort of thing. Why Use h and k for the Center of a Circle? [05/09/2000] Why are k and h used in the equation (x-h)^2 + (y-k)^2 = 0 for a circle with center (h,k)? Why not j and f, etc.? Writing Checks [07/31/2002] When writing a check, how do you indicate the number of cents in the part where you write out the amount using words? Writing Sigma Notation [02/03/1999] What does the equation that goes under the Sigma notation imply? Years That Start on Sunday [10/02/2000] What is the probability that a randomly chosen year will start on a Sunday? Zero Before the Decimal Point? [10/06/2000] What is the merit of writing the zero before the decimal point in numbers less than one, for example 0.25? Page: [

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