What's new in version 4

• Viewer mode (built-in).
• Export data from tables/numbers.
• Ratio (directed distance).
• Vectors.
• 0-2pi angular values.
• Fill color for angles.
• Movement buttons.
• Rich text.
• Step by step with animation.
• Begin step by step with last element (option).
• Option to equal xy-axes units.
• Movement of selected elements with keyboard.
• Movement of multiple points on element on its elements.
• New functions: secant, cosecant, cotangent.
• Edition of elements through the construction list.
• Windows standard open/save dialogs.
• Access to recent directory for macros.
• Configuration options for each Windows user.
• Improved Windows 7 and Vista support.

And much more...