PARAMETERS allows you to control the frequency
and phase of all four harmonograph pendulums.

Click on the blue arrows to move values up or
down.  A preview of the current pattern is
displayed in the lower, right-hand corner.

Click on "GO" to see the current pattern
full-size.

Click on "THEORY" for some educational info
about this program and harmonographs.

Click on "DONE" to return to the PARAMETERS
screen.
