Questions - Answers about drawing of function graphs online

To raise something to a power, use the ^ character.
That is, to enter “X squared”, use the following syntax: x^2.
You can raise any expression to a power (just don’t forget about brackets): (2x+3)^4.

To enter a square root, use the sqrt() function or x^(1/2). The second method can be used for entering a root of any power, for instance: x^(1/3) – root of the third power from X (don’t forget about brackets).

Use the | | characters (modulus brackets) or the mod() function.
For instance, the modulus of X can be entered as |x| or mod(x), the result is identical.

Yes, it is possible to draw several graphs on one coordinate plane.
To do that, click on the necessary type of graph in the “Add a function graph” area (located under the first function’s input field): :

You will then see another field for entering a function (or points, if you chose the point-by-point graph type). Fill out the necessary fields and the graphs of the entered functions will be created on the same plane).

To do that, click the “Link to this graph” icon:
Copy the link from the appeared "block" and send it to somebody you’d like to share your result with.