Graphing Calculator Viewer

It features:

• 2D curves
• 3D surfaces
• Inequalities
• Save movies
• Save for Web saves HTML & PNG files
• Save as RTF export to word processors
• Acts as a Web helper application
• Polar, cylindrical, spherical coordinates
• Define functions and variables
• Piecewise defined functions
• Complex number arithmetic

Version 3 is a commercial product with more functionality:

• Multiple equations
• Implicit curves and surfaces
• Parametric curves and surfaces
• Contour plots
• Density plots
• Color maps
• Coordinate transformations
• Vector fields in two and three dimensions
• Curves and surfaces in four dimensions
• Ordinary differential equations
• Direction fields
• Functions of complex variables
  • Interactive complex parameters
  • Complex parametric curves
  • Conformal mapping
  • Complex surfaces

Order the Commercial Release here.