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  • In this article, we explore the ubiquitous Fibonacci sequence and its presence in nature and in many aspects of our life.

    What Are Fibonacci Numbers?

    What Are Fibonacci Numbers?

    by George Dimitriadis0

  • This guide shows you the math behind working out a bolt circle diameter (BCD) or pitch circle diameter (PCD) and gives tables you can use in your calculations.

    How to Calculate Bolt Circle Diameter (BCD)

    How to Calculate Bolt Circle Diameter (BCD)

    by Eugene Brennan0

  • The article is written in rather technical level, providing an overview of linear regression. Linear regression is based on the ordinary list squares technique, which is one possible approach to the statistical analysis. Both univariate and multivariate linear regression are illustrated on small concrete examples. In addition to the explanation of basic terms like explanatory and dependent variables, we will see how to interpret results obtained by a regression analysis.

    Univariate and Multivariate Linear Regression

    Univariate and Multivariate Linear Regression

    by flysky8

  • The marginal rate of technical substitution of Labor (L) for Capital (K) is the slope of an isoquant multiplied by -1. Since the slope of an isoquant is moving down, the isoquant is given by –ΔK/ΔL...

    Marginal Rate of Technical Substitution

    Marginal Rate of Technical Substitution

    by Sundaram Ponnusamy1

  • A basic discussion on the null hypothesis, z-scores, and probability. This article includes examples of the null hypothesis, one-tailed, and two-tailed tests. A coin is tossed and comes up tails ten times: is this just random chance, or is an unfair coin being used? Learn when to reject the null hypothesis: if the probability (P) is less than the chosen significance level, the null must be rejected.

    Null Hypothesis and Formulas: A Definition With Examples

    Null Hypothesis and Formulas: A Definition With Examples

    by Leah Lefler4

  • Understanding percentages and learning how to calculate them is a fundamental skills of mathematics. This articles describes how to calculate a variety of types of percentages that are used in our world each and every day.

    How to Calculate Percentages

    How to Calculate Percentages

    by CWanamaker2

  • Not everybody knows why a plus b whole square is i.e. (a+b) 2 = a2+b2+2ab and why exactly it has been generalized.So, here I come up with the geometrical proof that shows up the results.

    Why (a+b) 2 = a2+b2+2ab ?

    Why (a+b) 2 = a2+b2+2ab ?

    by mightylearning67

  • Follow these instructions below to develop a truncated cone. A truncated cone is a conical shape which has had it's top cut off at an angle. Sometimes you might need to develop these truncated cones as duct elements. Developing a truncated cone can...

    How to Develop a Truncated Cone

    How to Develop a Truncated Cone

    by LeonJane9

  • How to learn your times tables fast. There are a few tricks to help you with your times tables and even a link to my video "How to Learn Your Times Tables Fast"

    How to Learn Times Tables

    How to Learn Times Tables

    by SuffolkJason30

  • Game Theory is one of the most fascinating branches of mathematics with tons of applications to fields ranging from the social sciences to the biological sciences. In this article, we will look at some basic examples of game theory and its application to real-world situations.

    What Is Game Theory? A Basic Introduction and Example

    What Is Game Theory? A Basic Introduction and Example

    by Zazuzu16

  • Finding the mean, median, and mode of a data set is an important first step in learning and implementing basic statistical techniques. This hub will teach you how to calculate these measures.

    Measures of Central Tendency: Mean, Median, and Mode

    Measures of Central Tendency: Mean, Median, and Mode

    by Seeking Solace6

  • How to develop a cone or how to create a flat pattern of a cone can be achieved in a few easy geometrical steps. The geometrical method shown below does however have inaccuracy, so at the end of this hub I have included a mathematical formula to...

    How to Develop a Cone - Cone Development

    How to Develop a Cone - Cone Development

    by LeonJane58

  • Zenos Paradox has been around since before Christ and has baffled many people. An explanation and debunking of the paradox; why it is no paradox at all but a simple mathematical description of what we see happening all around us.

    Understanding and Solving Zeno's Paradox

    Understanding and Solving Zeno's Paradox

    by Dan Harmon66

  • The mean average from an ungrouped frequency table can be found by following these three simple steps: Step 1. First you will need to add a new column onto the end of the frequency table. You can label this column fx as you are going to multiply...

    How to Get the Mean Average From a Frequency Table

    How to Get the Mean Average From a Frequency Table

    by Mark0

  • Keeping our calendar in sync with solar time requires more than just adding a day every four years. We need to add a second once in a while, known as a leap second. We also need to skip some leap years.

    The Algorithmic-Rule for Leap Years and Leap Seconds

    The Algorithmic-Rule for Leap Years and Leap Seconds

    by Glenn Stok5

  • Here you will be shown how to simplify expressions involving brackets and powers. The general rule is: (xm)n = xmn So basically all you need to do is multiply the powers. This may also be called the exponent bracket rule or indices bracket rule...

    Powers in Brackets: How to Use the Bracket Power Rule

    Powers in Brackets: How to Use the Bracket Power Rule

    by Mark1

  • Need help with trig homework or a review of the basics? This article explains in plain English how to visualize the unit circle as just a set of triangles, how a sine and cosine work, and radians.

    Trigonometry: The Unit Circle [in Plain English]

    Trigonometry: The Unit Circle [in Plain English]

    by JB1

  • The special theory of relativity is a theory by Albert Einstein, which can be based on the two postulates Postulate 1: The laws of physics are the same (invariant) for all inertial (non-accelerating) observers.* Postulate 2: In a vacuum the speed...

    Minkowski Diagram

    Minkowski Diagram

    by lgsims963

  • There is no biggest number, but really, how much is a thousand, a million, a googolplex or even a googolplexian? This look into big numbers may give you an idea how big they are.

    Taking a Perspective Look Into Big  Numbers

    Taking a Perspective Look Into Big Numbers

    by ProjectResolute4

  • Regression equations are frequently used by scientists, engineers, and other professionals to predict a result given an input. These equations have many applications and can be developed with relative ease. In this article I show you how easy it is to create a simple linear regression equation from a small set of data.

    How to Create Your Own Simple Linear Regression Equation

    How to Create Your Own Simple Linear Regression Equation

    by CWanamaker1

  • This is a full guide in finding the general term of sequences. There are examples provided to show you the step-by-step procedure in finding the general term of a sequence.

    How to Find the General Term of Sequences

    How to Find the General Term of Sequences

    by John Ray3

  • Trig graphs are easy once you get the hang of them. Once you learn the basic shapes, you shouldn't have much difficulty. The main problems A-Level students have, in my experience, are: Remembering which is y = sin x and which is y = cos x....

    Trigonometry—Graphing the Sine, Cosine and Tangent Functions

    Trigonometry—Graphing the Sine, Cosine and Tangent Functions

    by Mr Homer7

  • Don't let mind readers and magicians mess with your mind with number tricks. Learn their secrets and beat them at their own game.

    It's Not Magic, It's Mathematics

    It's Not Magic, It's Mathematics

    by George Dimitriadis1

  • How to do Standard Deviation manually in six straightforward steps, includes a step by step of how to do this using Excel, with screenshots and a link to a sample Excel sheet.

    How to Calculate Standard Deviation

    How to Calculate Standard Deviation

    by des donnelly225

  • To work out a fraction of a number all you need to do is divide the number by the denominator of the fraction and multiply this answer by the numerator. Example 1 Work out 3/8 of 48. First of all divide 48 by the denominator: 48 ÷ 8 =...

    Math Help: How to Work Out a Fraction of a Number

    Math Help: How to Work Out a Fraction of a Number

    by Mark2

  • Defines polynomials by showing the elements that make up a polynomial and rules regarding what's NOT considered a polynomial. Learn about different types, how to find the degree, and take a quiz to test your knowledge.

    What is a Polynomial?

    What is a Polynomial?

    by Melanie Palen9

  • A compound H-shape is made up of 3 rectangles. Make sure you can work out the area of an L-shape first before you attempt this one. If you are finding the area of a compound H-shape all you need to do is split the H-shape up into 3 rectangles and...

    Calculating the Area of Compound H Shapes

    Calculating the Area of Compound H Shapes

    by Mark3

  • Roman numerals have been around for about 3,000 years, and they became a recognized number system that was used around the world.

    How To Understand Roman Numerals

    How To Understand Roman Numerals

    by sobelarry1

  • This article shows you how to multiply fractions in four easy steps. How do you multiply mixed numbers? What is an improper fraction? This article, which includes a short video, will answer all these questions and leave you with the knowledge and confidence to multiply any fractions.

    How to Multiply Fractions in Four Easy Steps

    How to Multiply Fractions in Four Easy Steps

    by SuffolkJason3

  • Finding the nth term of a decreasing linear sequence can by harder to do than increasing sequences, as you have to be confident with your negative numbers.  A decreasing linear sequence is a sequence that goes down by the same amount each time....

    Finding the nth term of decreasing linear sequences (math help)

    Finding the nth term of decreasing linear sequences (math help)

    by Mark14

  • Once I was preparing to take a difficult standardized test, which evaluates math and logic skills for university entrance. It was an online exam with a timer and I had to make calculations without using a calculator. Techniques of fast mental math discussed here became a true godsend for me!

    How to Calculate Quickly Without a Calculator

    How to Calculate Quickly Without a Calculator

    by Rada Heger0

  • A quadrant is a quarter of a circle. So to work out the area of a quadrant, first work out the area of the whole circle (use the formula A = π ×r²) and then divide the answer by 4. Alternatively, you could substitute the radius of the quadrant...

    How to Find the Area of a Quadrant (a Quarter of a Circle)

    How to Find the Area of a Quadrant (a Quarter of a Circle)

    by Mark1

  • A compound shape is a shape that is made up from other simple shapes. In this article we will be working out the area of a L shape (made up from 2 rectangles). To find the area of a compound shape, follow these simple steps: Step 1: Work out the...

    Compound Shapes: How to Find the Area of an L-Shape

    Compound Shapes: How to Find the Area of an L-Shape

    by Mark27

  • Age and mixture problems are tricky questions in Algebra. It requires deep analytical thinking skills and great knowledge in creating mathematical equations. Practice these age and mixture problems with solutions in Algebra.

    Age and Mixture Problems and Solutions in Algebra

    Age and Mixture Problems and Solutions in Algebra

    by John Ray0

  • These numbers are an important concept in mathematics and are key to understanding real quantities.

    What Are Irrational Numbers?

    What Are Irrational Numbers?

    by Leonard Kelley2

  • The nth term of a number sequence is a formula that gives you the values in the numbers sequence from the position number (some people call it the position to term rule). Example 1 Find the nth term of this sequence. 5 8 11 14 17 First of...

    How to Find the nth Term of an Increasing Linear Sequence.

    How to Find the nth Term of an Increasing Linear Sequence.

    by Mark14

  • This hub is all about calculating lottery probability or odds. In order to make it relevant, I decided to base it on the Grandlotto 6/55, the lottery game with the biggest prize money here in the Philippines. There will be two different cases in the hub: the probability of winning the game with all six numbers matching, and the probability of having n numbers matching.

    How to Calculate Lottery Probability

    How to Calculate Lottery Probability

    by dezalyx17

  • Do you ever wonder how Magic Squares are created? Well, stop worrying. I'll show you how to construct them using just a few easy to follow rules.

    How to create magic squares

    How to create magic squares

    by George Dimitriadis1

  • The main property of a trapezium (as known in Great Britain) or trapezoid (as known in the United States) is that it is a 4 side shape with exactly one pair of parallel sides. Depending on how the trapezium is drawn determines how many lines of...

    Properties of a trapezium or trapezoid (math facts)

    Properties of a trapezium or trapezoid (math facts)

    by Mark0

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