GRAPES draws graphs of parametrics curves of the form x = f (t) and y = g (t).
New curve
Pointing the cursor on the button [Draw] in the Curve Area on the Data Panel, the available names for curve are suggested, select one of them.
The Properties window will appear. Input information as explained in the following.
Edit and Delete
In the Curve Area, click the expression you want to edit or delete. The Properties window will appear. Edit as explained in the following.
Select the curve type
The parametric curve and the polar equation are available.
In the example below, we have selected the [Parametric Curve]