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Math

Join our Math World now to meet up with other math students and mathematicians on the Web. Learn how to perform basic math functions, and share your own tips and tricks for solving problems and calculating answers for everything math related, from algebra to geometry to trigonometry to advanced calculus.
How to find the entire length of a segment using the midpoint method.
Apr 28, 2010

This video shows the method to find the length of the total segment using the midpoint. Let the total line segment be PS. Let Q be the midpoint of PS. Let R be a point on the line segment QS. The firs ...

Diagram explaining how to find the length of a segment using the midpoint formula.
Apr 28, 2010

First of all in the given question you have to write down the values of the total length of the line segment, PS=15. The length of the line segment, QR =3. Now you have to find the value of line segme ...

Mathematics equations and a person working at a desk.
Apr 28, 2010

You can do simple decimal calculation with out using a calculator once you understand the basic concept of decimals. In decimal equations when you have various operations between decimal numbers, you ...

Equation showing the simplification of 10/7.
Apr 26, 2010

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to f ...

Graph of the equation y = 3x + 2 with a t-chart displaying points that satisfy the equation.
Apr 26, 2010

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to f ...

Calculating 25% of 80 with a written explanation and examples.
Apr 26, 2010

Having trouble figuring out percentages? If so, you'd be well served to give this free math lesson 100% of your attention. After watching it, you'll be able to answer questions like, "What's 25% of 38 ...

Graphing calculator displaying a polynomial function with notes and questions for analysis.
Apr 23, 2010

In this video the teacher shows us how to use a TI-84 plus graphing calculator to graph a function, adjust the view window, and determine the values of several types of critical points on the graph su ...

A teacher explaining a physics problem involving acceleration on a whiteboard.
Apr 23, 2010

This video teaches how to use calculus find the position, velocity and acceleration of an object. Imagine an object moving on a straight line. It's position at any time (t) is given as s(t) pronounced ...

Mathematician explaining integration on a whiteboard with graphs and equations.
Apr 23, 2010

When you have to find the average of two or five numbers then you have to add all the numbers and then divide then by two or five respectively. However in the case of the function you have infinite ma ...

A person explaining mathematical concepts on a whiteboard.
Apr 23, 2010

The idea of finding the area under a curve is an important fundamental concept in calculus. Consider a function y = f(x). Now the area under the curve is to be calculated. The area under a curve probl ...