New features in Math Illustrations 3.1 include:

• Reflex angles
• Arrows and labels on axes
• More styles on arrowheads
• Add your colors to the right-click menu
• Trace a point

New features in Math Illustrations 3.0 include:

• Piecewise functions
• Graph mode with independently scaled axes
• Animation export
• π/3 axis divisions
• User selectable background color

New features in Math Illustrations 2.0 include:

• Angle and line conguence annotations
• Arcs
• Area under a curve
• Curve sided regions
• Axes marked in radians, in degrees or in decimals
• Regular polygons
• Additional line styles

Math Illustrations 1.0 & 2.0 users can upgrade for just $19