This powerful online **function and equation grapher** can graph functions **f(x)** and equations of the form **f(x,y) = g(x,y)**, where each side can contain both the variables x and y, including **implicitly defined functions**.

An **equation grapher** is a more versatile tool than a **function grapher**, as it can graph any equation of the form **g(x,y) = f(x,y)**, where each side of the equation can contain both x and y.

A **function grapher**, on the other hand, can only graph equations in the form **y = f(x)**, where the right-hand side is an expression in x only. To graph a function, you simply need to type the right-hand side of the equation into an expression box.

To **graph an equation**, enter both sides of the equation, separated by an equal sign. This allows you to graph equations such as the equation of a **line in point-slope** form, the equation of a **conic section** (circles, parabolas, hyperbolas, and ellipses), **level curves**, and **implicitly defined functions**.
Instructions

**..t**is replaced by. (You can also use`θ`

`x`

or`t`

; they are internally replaced by`θ`

).**pi**is replaced by.`π`

**inf**(**infinity**) is replaced by.`∞`

**Lines**

**Semi-circles**

**Semi-ellipses**

**Parabolas**

**Semi-hyperbolas**

**Other graphs**

**Lines**

**Circles**

**Spirals**

**Roses**

**Ellipses**

**Parabolas**

**Hyperbolas**

**Cardioids**

**Limacons**

**Lemniscates**

**Butterfly curve**

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To copy or save graphs right click on the image of a saved graph below and select "Copy image" or "Save image" from the pop-up menu.