How to use
To change the values of the coefficients, use the
"+" and "-" buttons
under each value. The buttons change the value by 0.1 at each step.
Holding a button down causes this action to be repeated.
Click the "Clear" button to reset all values
to the default values, A=B=1 and C=D=0.
Examples
Other Notes
Notice that A determines "amplitide",
B determines "period"
(period is 2pi/B), C determines "phase" (horizontal shift),
and D determines vertical shift.