File:Sin-grapher-add rjk.swf

Licensing:
GPL

Summary
The sin-grapher.swf file was originally created by Physics Education Technology group and released under GPL. User:kruhly has modified it so that a second sinusoid is added to the simulation. This new sinusoid has unknown parameters for the learner. They can be controlled by the teacher. It is allows learners to try and match the unknown sinusoid. They can also add, or subtract the two sinusoids.