# Online Graphing Calculator: Plot your own SVG Math Graphs

You can plot 2 functions, **function 1** (in dark green) and **function 2** (in magenta).

Edit your functions and then click the "Graph it" button below. To remove a graph, leave its text box blank.

The **number of points** changes the number of data points. Usually more points gives a better graph in cases where the curve goes off to infinity (like tan(x)).

(If you can't see the graph below, or there is a problem, try this alternative graph plotter).

## Some graphs to try

The grapher will accept any of the following functions (use the notation shown). You can copy from the examples below if you wish.

**Straight lines:**(like`3x - 2`

)**Polynomials:**(like`x^3 + 3x^2 - 5x + 2`

)- Any of the
**trigonometric functions:**`sin(x), cos(x/2), tan(2x), csc(3x), sec(x/4), cot(x)`

- The
**inverse trigonometric functions:**`arcsin(x), arccos(x), arctan(x), arccsc(x), arcsec(x), arccot(x)`

**Exponential**(`e^x`

) and**logarithm**(`ln(x)`

for natural log and`log(x)`

for log base 10)**Absolute value**: use "abs" like this:`abs(x)`

- The
**hyperbolic functions and their inverses:**`sinh(x), cosh(x), tanh(x), arcsinh(x), arccosh(x), arctanh(x)`

**Sign**(1 if the sign is positive, −1 if the sign of the function is negative.) For example, try`sign(sin(x))`

In fact, you can use most of the javascript math functions, including

**ceiling:**`ceil(x)`

and**round**:`round(x)`

**square root:**`sqrt(x)`

You can also use any combinations of the above, like `ln(abs(x))`

.

**If your graph doesn't work:** Try using brackets! For example, "tan 2x" won't work. You have to put `tan(2x)`

.

## More Information

The above graph is not an image (that is, it's not a .GIF, .JPG or .PNG). It is a **javascript-based graph**. That's why we can change it so easily and not wait for an image to be created.

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