Function Grapher | Polar Function Grapher

Function grapher for graphing mathematical functions, y = f(x), using the Cartesian or polar coordinate systems.

■ To use this online function grapher select Cartesian (default) or Polar Coordinate System from the top of the function graphing calculator.

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

■ To graph two or more functions on the same coordinate plane first press Draw Multiple Graphs... Quick Start

To find zeros of f(x) press Solve f(x) = 0.
Finding Zeros (Roots)

To calculate and graph derivatives press Find f'(x)....
Calculating Derivatives

sin(), log(), ln(), exp(), sqrt(), abs(), floor(), asinh (), more Predefined Functions

Instructions

Function Grapher Basic

Try gCalcD, the world's most advanced Online Graphing Calculator :
Graph functions, equations, parametric curves and point sets using the Cartesian or polar coordinate system; find zeros (roots) of functions and calculate derivatives.

Two-Variable Function Grapher 2 Variable Function Grapher

What is a function?

What is the graph of a function?

What is a coordinate system?

To use the world's most accurate function grapher you need to download Java from Java.com, it's free. Below are images of Function Grapher (Function Graphing Calculator). Already have Java? Trouble-shooting

Online Function Grapher

Function Grapher, non-perpendicular coordinate system

Polar Function Grapher

Polar Function Grapher, polar axis rotated

Information for Mac and non-IE users

Find out how to change the colors.

Learn how to type π, ∞, θ and about other Tips.

Learn how to use your mouse to change the scales, translate the origin and rotate the axes.

Examples