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Math Software  -> Graph Function (Graph Calculus) -> Graphing Implicit Functions
Function Grapher and Visual Calculus have the ability of graphing 2D implicit functions. Implicit function must be in the form of f(x, y)=0 or f(a,r)=0.

The following figure shows the result of graphing implicit function cos(x*y)=0.

 

Math Software -> Graph Function (Graph Calculus) -> Graphing Implicit Functions

 

 

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