Geometry Expressions
Geometry Expressions
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New in Version 3.2

  • Annotation expressions are now included in JavaScript apps and OS X Dashboard widgets
  • The name of a Greek letter is converted to the corresponding Greek character in an expression
  • True and false are replaced by checkboxes for quickly turning options on and off
  • You can now select all of a type: labels, points, constraints, measurements, and annotations

New in Version 3.1

  • Several new features for generated JavaScript apps, Lua apps, and Dashboard widgets:
    • New input controls:
      • Advance buttons lets you increment a variable
      • Media buttons give you more controls to change the variable
      • Random generates a random value within your specified range
      • Timer is handy for making clock apps and other animated apps
    • Outputs can now be attached to a Show/Hide button. This feature combined with the Random input type is very handy for making practice apps where students can check their answers by clicking an answer button, then reload the page with a new problem.
  • Visibility Condition controls allow any object to be hidden or shown based on a mathematical condition. Use alongside the Advance button or Media button controls to generate apps that gradually reveal the inner workings of complicated constructions.
  • Objects can now have constraints, annotations, and calculations applied at the same time.
  • A new export file format, Scalable Vector Graphics (.svg)
  • Two new built-in functions: ceil() and floor()

New in Version 3.0 SP2

  • Create OS X Dashboard widgets that can be incorporated in iBooks
  • Graphing mode with independently scaled axes
  • Mathematical precision can be set as significant figures or decimal places
  • Background color can be changed
  • Ability to drag a point along a line or curve in a generated JavaScript app
  • Multi-touch support in generated JavaScript apps
  • Lua source code generation

New in Version 3.0

  • Automatic creation of interactive JavaScript apps, which can be viewed in a browser on any platform (including iPhone/iPad)
  • Export of Animations as animated GIF files (which can be used in Wikipedia and Power Point)
  • Export of source code for measured quantities in a variety of formats: C, Objective C, C++, C#, VB, VBA, Java, JavaScript, ActionScript
  • TeX export
  • Piecewise functions

New in Version 2.2

  • 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

New in Version 2.1

  • Filled circles and ellipses
  • Transparency support for solid objects
  • Ability to arrange the drawing order of all items
  • Quick toggling of hidden items

New in Version 2

  • Conics: parabola, ellipse, and hyperbola, defined by equation or by foci, or by incidence constraints
  • Trace: display whole families of shapes at once
  • Save a group of pages together as a workbook
  • AnnotationL: create inert distance and angle symbols, which are neither input nor output, but simply annotation
  • Export drawings to HTML
  • Convenient mouse shortcuts for Zoom and Scale and Move and Pan functions
  • Easier selection when using Geometry Expressions on SMART Board