Pedagoguery Software Inc. Gif·gIf·giF PSi logo frieze
   Home    [Products\Gif·gIf·giF]    Downloads    Prices & Purchasing
GrafEq Session, Graphing and Blending Graphing and Blending

Here is a 106K animated GIF showing a user:

  1. graphing and editing a few simple trigonometric relations, and
  2. changing the layering and colouring of relations.
GrafEq is a formula graphing program used to teach high-school mathematics.