EpsilonWriter Web enables to plot curves by writing their formulas as on the blackboard and by choosing the color and the thickness.
You can use a zoom to zoom in or out .
The grid can be displayed or hidden.

With EpsilonWriter Web you can animate curves writing their formulas as on the blackboard and using animation settings defined by mathematical formulas.
With these settings you can set the speed, the zoom, the persistence and the gradient.

Here is the same curve with another color, an important persistence and thickness.

Tutorial about translation and rotation of a polar coordinates curve