New features in v2.2 include:
- Symbolic areas of curve-sided regions (including area under and between functions)
- Arcs (both circular and based on other curves)
- Symbolic Arc length
- Regular polygon (generic n)
- N-sided curve approximation (with generic n)
- Enhanced annotation features
v2.1 added the following new features:
- Filled circles and ellipses
- Transparency support for solid objects
- Ability to arrange the drawing order of all items
- Quick toggling of hidden items
v2.0 added the following features:
- Conics - Parabola, Ellipse and Hyperbola, defined by equation or by foci, or by incidence constraints.
- Trace - allows you to display whole families of shapes at once
- CAS support - We have expanded the list of supported CAS's to incorporate the TI-nspire
- Annotation - we allow you to create inert distance and angle symbols, which are neither input nor output, but simply annotation.
- Much more!
This upgrade is free for v2.0 and v2.1 users - just select "Check For Updates..." in the Help menu.
Geometry Expressions v1.0 and v1.1 users can upgrade for just $39.
