Games Index 3

Here are the step-by-step calculations to work out the Standard Deviation (see below for formulas). Enter your numbers below, the answer is calculated live

An example of a Quadratic Equation: The function can make nice curves like this one: A Parabola. The name Quadratic comes from quad meaning...

Apr 19, 2010 · Math explained in easy language, plus puzzles, games, worksheets and an illustrated dictionary. For K-12 kids, teachers and parents.

Draw a circle with a diameter (all the way across the circle) of 1 ... Then the circumference (all the way around the circle) is 3.14159265... a number known as Pi

Illustrated definition of Angle: The amount of turn between two lines around their common point (the vertex).

Welcome to Mathematics. You won't need special equipment, millions of dollars or lots of people. You just need your mind.

Play Tic-Tac-Toe. Play Tic-Tac-Toe against another player or the computer. Different board sizes and computer strength.

These are a collection of Tangram Puzzles for your enjoyment. Position and Rotate the pieces until you have completed the shape.

bringing two or more numbers (or things) together to make a new total. We can write it like this: 2 + 3 = 5. Write this down, with the answer,...