How to use
Enter a function
in the text input field
(Type "t" for , and
type "s" for .)
Click the "Graph" button
(this button also refreshes the graph).
Rotate the graph by
clicking and dragging the mouse on the graph.
To erase the graph and all input fields, click the
3/(cos sin )
Surfaces in three dimensions are represented in
The "faceted hidden surface"
allows for more than one surface to be drawn.