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To use this **Function Grapher**, select **Cartesian** or **Polar Coordinate System**.

■ To graph a **function** type in its expression and press **Draw Graph **(or
*Enter* on the keyboard).

■ To graph *two or more functions on the same coordinate plane*
first press

Welcome to the World's Most Advanced 2D Function Grapher

■ To find the roots of the function press **Solve f(x) = 0**... Finding Roots

■ To calculate the first few order derivatives press **f'(x), f''(x),...** Calculating Derivatives

Also find out how to change the scales, translate the origin and rotate the axes by using your mouse; and how to change the colours.

Two-Variable Function

Grapher :

What is the graph of a function?

Examples

f(x) = 3x^2-4x-2 *parabola (Cartesian)*

f(x) = 3sin(2x) *4-petal rose (polar)*

f(x) = 1/(1-.7cos(x)) *ellipse (polar)*

π: **Ctrl+P** or
**Alt+P** or *pi*.
∞: **Ctrl+8**
or **Alt+8** or *infinity*.

θ: **Ctrl+T** or
**Alt+T** or *theta*. You can also use x instead of θ; it will be
replaced by θ when you press *Draw Graph* or *Enter* on the keyboard.

Copyright ©2003-2008 Applied Mathematics Internet Resources AMIR of Behshahr