Example:
f1(s,t)=t+4 cos s,
g1(s,t)=4 sin s,
h1(s,t)=t
Click the "Graph" button (this button also refreshes the graph).
Rotate the graph by clicking and dragging the mouse on the graph.
To see two surfaces graphed simultaneously:
Enter the second set of functions f2(s,t), g2(s,t), and h2(s,t) in the text input fields marked "f2(s,t)=", "g2(s,t)=", and "h2(s,t)=".
Click (to its "on" state) the check box next to this set of input fields.
Click the "Graph" button.
Example:
f1(s,t)=t+4 cos s,
f1(s,t)=4 sin s, and
f1(s,t)=t;
f2(s,t)=5 cos t sin s,
g2(s,t)=5 sin t sin s, and
h2(s,t)=5 cos s
Up to two surfaces can be graphed simultaneously.
To remove a function from the graph, click (to its "off" state) the check box next to the associated text input fields and click the "Graph" button to refresh.
To erase the graph and all input fields, click the "Clear" button.
Plane:
f1(s,t)=s,
g1(s,t)=t,
h1(s,t)=s+t
Cylinder:
f1(s,t)=5 cos t,
g1(s,t)=5 sin t,
h1(s,t)=s
Slant Cylinder:
f1(s,t)=s+5 cos t,
g1(s,t)=5 sin t,
h1(s,t)=s