http://mathdude.quickanddirtytips.com en-us 2013 Macmillan Holdings, LLC Quick and Dirty Tips to Make Math Easier QuickAndDirtyTips.com The Math Dude makes understanding math easier and more fun than your teachers ever led you to believe was possible. Host Jason Marshall provides clear explanations of math terms and principles, and his simple tricks for solving basic algebra problems will have even the most mathphobic people looking forward to working out whatever math problem comes their way. If you're getting ready to take the SAT, GRE, or any of the other standardized tests; or if you're going back to school and need to brush up on the basics, the Math Dude's Quick and Dirty Tips to Make Math Easier will strengthen your fundamental skills, help you better understand the language of math, and succeed when it comes to taking a test. And if you just want to calculate the tip without using your iPhone and impress all your friends, his tips and tricks are for you too. 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SPONSOR: Use the code MATH to be entered to win a cash prize at http://stitcher.com/math. http://mathdude.quickanddirtytips.com/what-is-pascals-triangle-part-2.aspx Fri, 05 Oct 2012 13:33:42 PDT no 00:07:43 math dude, math tips, math, pascal's triangle, triangular numbers, counting numbers, fibonacci sequence Learn how to draw Pascal's triangle and find out what it has to do with the probability of tossing coins. Learn how to draw Pascal's triangle and find out what it has to do with the probability of tossing coins. http://mathdude.quickanddirtytips.com/what-is-pascals-triangle-part-1.aspx Fri, 28 Sep 2012 13:33:42 PDT no 00:08:56 math dude, math tips, math, probability, calculate probability, probability tree, tree diagram, flipping coins, coin toss, pascal's triangle Learn how to solve last week's brain teaser and use probability trees to calculate probabilities. SPONSOR: Use the code MATH to be entered to win a cash prize at http://stitcher.com/math. 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Help us out by writing a review at iTunes! http://traffic.libsyn.com/mathdude/tmd_008.mp3 Fri, 29 Jul 2011 12:33:42 PDT no 00:04:59 math, dude, tips, to, help, you, add, quickly Learn how real numbers relate to the rest of the numbers in math. Get your copy of The Math Dude's Quick and Dirty Guide to Algebra: http://goo.gl/97XYI Learn how real numbers relate to the rest of the numbers in math. http://mathdude.quickanddirtytips.com/what-are-real-numbers.aspx Fri, 15 Jul 2011 13:33:42 PDT no 00:07:35 math dude, math tips, math, set, subset, real numbers, rational numbers, irrational numbers, integers Learn how to find the union and intersection of sets. 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Learn what exponents are, how to write them, how they are related to the words squared and cubed, and why there's an exponent controversy! Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/what-are-exponents.aspx Fri, 13 May 2011 13:33:42 PDT no 00:06:02 math dude, math tips, exponent, square, cube, squared, cubed, square a number, cube a number, base, power, raise a number to a power Learn what the rule of 72 is and how you can use it to estimate how long it will take you to double your investment. Learn what the rule of 72 is and how you can use it to estimate how long it will take you to double your investment. SPONSOR: http://stitcher.com/math. Use the code "math" to be entered to win $100. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/what-is-the-rule-of-72.aspx Fri, 06 May 2011 13:33:42 PDT no 00:07:30 math dude, math tips, rule of 72, double, investment Learn what the distributive property means in the real world and how it can help you perform lightning fast multiplication in your head. Learn what the distributive property means in the real world and how it can help you perform lightning fast multiplication in your head. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://traffic.libsyn.com/mathdude/mathdude_044_multiply_quickly.mp3 Fri, 29 Apr 2011 13:33:42 PDT no 00:08:00 math, dude, tips, distributive, property, multiplication, addition Learn what the associative properties of addition and multiplication are, and how they can help speed up arithmetic. Learn what the associative properties of addition and multiplication are, and how they can help speed up arithmetic. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/what-is-the-associative-property.aspx Fri, 22 Apr 2011 13:33:42 PDT no 00:05:31 math dude, math tips, arithmetic, arithmetic property, arithmetic properties, associative property, associative property of addition, associative property of multiplication, associativity Learn what Mobius strips are, how to make them, and why they are such strange and interesting objects. Learn what Mobius strips are, how to make them, and why they are such strange and interesting objects. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/what-is-a-mobius-strip-and-how-can-you-make-one.aspx Fri, 15 Apr 2011 13:33:42 PDT no 00:07:44 math, dude, tips, mobius, strip Learn how to test if a number is divisible by 7, 8, or 9, and find out why each of these divisibility tests actually work. Learn how to test if a number is divisible by 7, 8, or 9, and find out why each of these divisibility tests actually work. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/how-to-tell-if-a-number-is-divisible-by-7-8-or-9.aspx Fri, 08 Apr 2011 13:33:42 PDT no 00:08:41 math, dude, tips, divisible, 7, 8, 9, seven, eight, nine, divisibility Learn how to test if a number is divisible by 4, 5, or 6, and find out why each of these divisibility tests actually work. Learn how to test if a number is divisible by 4, 5, or 6, and find out why each of these divisibility tests actually work. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/how-to-tell-if-a-number-is-divisible-by-4-5-or-6.aspx Fri, 01 Apr 2011 13:33:42 PDT no 00:07:22 math, dude, tips, divisible, 4, 5,6, four, five, six, divisibility Learn how to test if a number is divisible by 2 or 3, and find out why each of these divisibility tests actually work. Learn how to test if a number is divisible by 2 or 3, and find out why each of these divisibility tests actually work. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/how-to-tell-if-a-number-is-divisible-by-2-or-3.aspx Fri, 25 Mar 2011 13:33:42 PDT no 00:08:52 math, dude, tips, divisible, 2, 3, two, three, divisibility Learn how to use the connection between modular arithmetic and remainders in division to calculate the day of the week of any date. Learn how to use the connection between modular arithmetic and remainders in division to calculate the day of the week of any date. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/how-to-calculate-the-day-of-the-week-of-any-date.aspx Fri, 18 Mar 2011 13:33:42 PDT no 00:07:37 math, dude, tips, calculate, day, week, month, modular, arithmetic Learn more about performing modular arithmetic, how it's related to finding remainders in division, and how it can help you predict the future. 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Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/what-is-modular-arithmetic.aspx Fri, 04 Mar 2011 13:33:42 PDT no 00:08:21 math, dude, tips, modular, arithmetic, real world, application Learn the final trick that will enable you to convert any type of repeating decimal into a fraction. Learn the final trick that will enable you to convert any type of repeating decimal into a fraction. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/how-to-convert-repeating-decimals-to-fractions-part-3.aspx Fri, 25 Feb 2011 13:33:42 PDT no 00:08:21 math, dude, tips, decimals, fractions, repeating decimals, rational numbers Learn how to convert more complicated repeating decimals from decimal to fractional form. Learn how to convert more complicated repeating decimals from decimal to fractional form. 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Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/how-to-convert-repeating-decimals-to-fractions-part-1.aspx Fri, 11 Feb 2011 13:33:42 PDT no 00:07:03 math, dude, tips, decimals, fractions, repeating decimals, rational numbers Learn what terminating and repeating decimals are and how to convert these rational numbers from decimal to fractional form. Learn what terminating and repeating decimals are and how to convert these rational numbers from decimal to fractional form. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/how-to-convert-decimals-to-fractions-part-1.aspx Fri, 04 Feb 2011 13:33:42 PDT no 00:07:05 math, dude, tips, decimals, fractions, repeating decimals, rational numbers Learn what irrational numbers are, where they fall along the number line, and how they relate to the rest of the world of numbers. Learn what irrational numbers are, where they fall along the number line, and how they relate to the rest of the world of numbers. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/what-are-irrational-numbers.aspx Fri, 28 Jan 2011 13:33:42 PDT no 00:07:25 math, dude, tips, irrational, numbers, number line Learn what rational numbers are, where they are located on the number line, and how they relate to the rest of the world of numbers. Learn what rational numbers are, where they are located on the number line, and how they relate to the rest of the world of numbers. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/what-are-rational-numbers.aspx Fri, 14 Jan 2011 13:33:42 PDT no 00:05:21 math, dude, tips, rational, numbers, number line Learn how math can help you explain the origin of seemingly inexplicable numerical patterns. Learn how math can help you explain the origin of seemingly inexplicable numerical patterns. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/how-to-explain-patterns-with-math.aspx Fri, 31 Dec 2010 13:33:42 PDT no 00:07:32 math, dude, tips, patterns, numerical, explains Learn two tips that will make multiplying any number by eleven easy to do in your head. Learn two tips that will make multiplying any number by eleven easy to do in your head. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/two-tips-for-multiplying-by-eleven.aspx Fri, 17 Dec 2010 13:33:42 PDT no 00:08:23 math, dude, tips, multiplying, easy, multiplication, eleven Learn to take advantage of the commutative property of addition to simplify problem solving. Not all math questions are as difficult as they seem. Learn to take advantage of the commutative property of addition to simplify problem solving. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://traffic.libsyn.com/mathdude/math006_commutative_property.mp3 Fri, 03 Dec 2010 16:33:42 PDT no 00:08:41 math, dude, commutative, property, addition, simplify, problem, solving Learn what the distributive property is, how to picture it, and what it means to say that multiplication is distributive over addition. Learn what the distributive property is, how to picture it, and what it means to say that multiplication is distributive over addition. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/what-is-the-distributive-property.aspx Fri, 26 Nov 2010 13:33:42 PDT no 00:07:39 math, dude, tips, distributive, property, multiplication, addition Learn what the German tank problem is and how statistical estimators helped solve it and win World War II. Learn what the German tank problem is and how statistical estimators helped solve it and win World War II. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/how-statistics-solved-the-german-tank-problem.aspx Fri, 19 Nov 2010 13:33:42 PDT no 00:08:09 math, dude, tips, statistics, estimators, solve, german tank problem Learn what statistics and estimators are in preparation for understanding how they helped solve the "German tank problem" in World War II. Learn what statistics and estimators are in preparation for understanding how they helped solve the "German tank problem" in World War II. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/what-are-statistics-and-estimators.aspx Fri, 12 Nov 2010 13:33:42 PDT no 00:07:23 math, dude, tips, statistics, estimators, solve, german tank problem Learn what it really means to divide two fractions and a trick you can use to make dividing fractions easier. Learn what it really means to divide two fractions and a trick you can use to make dividing fractions easier. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/how-to-divide-fractions-using-invert-and-multiply.aspx Fri, 05 Nov 2010 13:33:42 PDT no 00:07:40 math, dude, tips, how, divide, fractions, multiply, easier Learn what fractions are and how they're related to integers. Learn what fractions are and how they're related to integers. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://traffic.libsyn.com/mathdude/math010_fractions.mp3 Fri, 29 Oct 2010 12:33:42 PDT no 00:06:22 math, dude, tips, what, are, fractions Learn what math prefixes like "kilo," "mega," "giga," and "tera" mean, where they come from, and whether or not more prefixes will be added in the future. Learn what math prefixes like "kilo," "mega," "giga," and "tera" mean, where they come from, and whether or not more prefixes will be added in the future. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/what-do-prefixes-mean-in-math-part-2.aspx Fri, 22 Oct 2010 13:33:42 PDT no 00:07:38 math, dude, tips, what, do, prefixes, mean, milli, kilo, mega, giga Learn what math prefixes like "milli," "kilo," "mega," and "giga" mean, where they come from, and whether or not more prefixes will be added in the future. Learn what math prefixes like "milli," "kilo," "mega," and "giga" mean, where they come from, and whether or not more prefixes will be added in the future. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/what-do-prefixes-mean-in-math-part-1.aspx Fri, 08 Oct 2010 12:33:42 PDT no 00:06:55 math, dude, tips, what, do, prefixes, mean, milli, kilo, mega, giga Learn how math can help you estimate how fast your favorite football player is running and convert this speed into units you're familiar with. Learn how math can help you estimate how fast your favorite football player is running and convert this speed into units you're familiar with. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/how-to-estimate-how-fast-someone-is-running.aspx Fri, 01 Oct 2010 12:33:42 PDT no 00:06:38 math, dude, tips, calculate, how, fast, someone, running, estimate Learn how to use the multiplicative identity to help you convert units from miles to kilometers, kilometers to light-years, and more. Learn how to use the multiplicative identity to help you convert units from miles to kilometers, kilometers to light-years, and more. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/how-to-convert-units.aspx Fri, 24 Sep 2010 12:33:42 PDT no 00:06:44 math, dude, tips, convert, units, measurement, miles, light years Learn what the multiplicative identity is and how it's used to convert between different units of measurement. Learn what the multiplicative identity is and how the multiplicative identity is used to convert from one unit of measurement to another. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/how-to-convert-units-using-the-multiplicative-identity.aspx Fri, 17 Sep 2010 12:33:42 PDT no 00:06:28 math, dude, tips, multiplicative, identity, convert, units, measurement Learn what it really means to multiply two fractions and how to efficiently perform the multiplication. Learn what it really means to multiply two fractions and how to efficiently perform the multiplication of fractions. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/how-to-multiply-fractions.aspx Fri, 10 Sep 2010 12:33:42 PDT no 00:07:29 math, dude, tips, multiplication, two, fractions, efficiently Learn what area and volume are, how they are related, and how they are each calculated. Learn what area and volume are, how the area and volume are related, and how to calculate the area of a square and the volume of a cube. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/what-are-area-and-volume.aspx Fri, 20 Aug 2010 12:33:42 PDT no 00:07:30 math, dude, tips, area, volume, calculated Learn what 1D, 2D, and 3D (one, two, and three-dimensional) means in math and how coordinate systems are used to describe locations in 1D, 2D, and 3D. Learn what 1D, 2D, and 3D (one, two, and three-dimensional) means in math and how coordinate systems are used to describe locations in 1D, 2D, and 3D. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/what-are-1d-2d-and-3d-coordinates.aspx Fri, 06 Aug 2010 12:33:42 PDT no 00:06:45 math, dude, tips, dimensions, dimensional, coordinate, systems, locations Learn what box and whisker plots are, how to make them, and how they can help you interpret data. Learn what box and whisker plots are, how to make them, and how they can help you interpret data. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/how-to-make-box-and-whisker-plots.aspx Fri, 16 Jul 2010 12:33:42 PDT no 00:08:11 math, dude, tips, box, whisker, plots, interpret, data Learn what the range and standard deviation are, how to calculate them, and why their values are important for interpreting averages. Learn what the range and standard deviation are, how to calculate them, and why their values are important for interpreting averages. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/what-are-the-range-and-standard-deviation.aspx Fri, 09 Jul 2010 12:33:42 PDT no 00:08:09 math, dude, tips, range, standard, deviation Learn about a third method for calculating average values, the mode, and find out exactly when and why it is useful. Learn about a third method for calculating average values, the mode, and find out exactly when and why it is useful. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/what-is-the-mode.aspx Fri, 02 Jul 2010 12:33:42 PDT no 00:07:18 math, dude, tips, mode, method, calculating, average, values Learn how median averaging can fix your photos by making pesky tourists disappear and leaving you with a clear view of your subject. Learn how median averaging can fix your photos by making pesky tourists disappear and leaving you with a clear view of your subject. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/how-to-use-median-averaging-to-get-better-photos.aspx Fri, 25 Jun 2010 12:33:42 PDT no 00:08:14 math, dude, tips, average, calculate, median, fix, photos Learn how bags of potato chips show that the median value of a sample is often a better measure of its average than the more common mean. Learn how bags of potato chips show that the median value of a sample is often a better measure of its average than the more common mean. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/how-to-calculate-median-values.aspx Fri, 18 Jun 2010 12:33:42 PDT no 00:06:37 math, dude, tips, average, calculate, median, values Learn why there are multiple definitions of "average," and how to calculate one such average value: the arithmetic mean. Learn why there are multiple definitions of "average," and how to calculate one such average value: the arithmetic mean. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/how-to-calculate-mean-values.aspx Fri, 11 Jun 2010 12:33:42 PDT no 00:05:46 math, dude, tips, average, calculate, mean, values Learn what a batting average in baseball means, how it's calculated, and why the statistical concept of an average value is so useful. Learn what a batting average in baseball means, how it's calculated, and why the statistical concept of an average value is so important. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/what-are-averages.aspx Fri, 04 Jun 2010 12:33:42 PDT no 00:06:29 math, dude, tips, decimal, point, numbers, fractions, decimals Learn about the relationship between decimal numbers, fractions, and the process of division. Learn about the relationship between decimal numbers, fractions, and the process of division. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/how-are-fractions-and-division-related.aspx Fri, 28 May 2010 12:33:42 PDT no 00:06:47 math, dude, tips, decimal, point, numbers, fractions, decimals Learn what decimal points and decimal numbers are and how they're related to fractions. Learn what decimal points and decimal numbers are and how they're related to fractions. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/what-are-decimals.aspx Fri, 21 May 2010 12:33:42 PDT no 00:07:01 math, dude, tips, decimal, point, numbers, fractions, decimals Learn where the golden ratio appears in nature, how it's related to the "rule of thirds" in photography, and why it will help you take better pictures. Learn where the golden ratio appears in nature, how it's related to the "rule of thirds" in photography, and why it will help you take better pictures. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/use-the-golden-ratio-to-take-better-pictures.aspx Fri, 14 May 2010 12:33:42 PDT no 00:06:53 math, dude, tips, fimonacci, sequence, famous, golden, rule, take, better, pictures Learn what the golden ratio is, its relationship to the Fibonacci sequence, and how artists and architects have used it throughout history. Learn what the golden ratio is, its relationship to the Fibonacci sequence, and how artists and architects have used it throughout history. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/what-is-the-golden-ratio.aspx Fri, 07 May 2010 12:33:42 PDT no 00:06:52 math, dude, tips, fimonacci, sequence, famous, population, growth, golden, rule Learn what the Fibonacci sequence is, its relationship to population growth, and how it can make you the life of the party. Learn what the Fibonacci sequence is, its relationship to population growth, and how it can make you the life of the party. Questions go to mathdude@quickanddirtytips.com or 206-339-6279. Like what you hear? Help us out by writing a review at iTunes! http://mathdude.quickanddirtytips.com/what-is-the-fibonacci-sequence.aspx Fri, 30 Apr 2010 12:33:42 PDT no 00:08:36 math, dude, tips, fimonacci, sequence, famous, population, growth