- To calculate the
**derivative**of a one-variable function or**partial derivatives**of a multi-variable function F with respect to a variable, type in the function and the variable in the boxes provided and press the**Calculate Derivative**button. - The derivative will be displayed in a newly added panel. You can then calculate the derivative of it or of its primitive(s) with respect to any variable by proceeding as above on the relevant panel.
- The label, e.g.,
**F**_{xy}means derivative of F with respect to x and then with respect to y.

Close any panel by pressing x.