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GeoGebra
GeoGebra is dynamic mathematics software for all levels of education that joins arithmetic, geometry, algebra and calculus. It offers multiple representations of objects in its graphics, algebra, and spreadsheet views that are all dynamically linked.
While other interactive software (e.g. Cabri Geometry, Geometer's Sketchpad) focus on dynamic manipulations of geometrical objects, the idea behind GeoGebra is to connect geometric, algebraic, and numeric representations in an interactive way. You can do constructions with points, vectors, lines, conic sections as well as
While other interactive software (e.g. Cabri Geometry, Geometer's Sketchpad) focus on dynamic manipulations of geometrical objects, the idea behind GeoGebra is to connect geometric, algebraic, and numeric representations in an interactive way. You can do constructions with points, vectors, lines, conic sections as well as
What's New
Version 4.0.21:
- added function log(b, x) for base b
- Worksheet export: Option to embed the ggb file into the HTML (encoded as Base64, uses the 'ggbBase64' parameter)
- Export as 'Animated GIF' (animation is controlled using a slider as the "clock")
- Compass Tool allows selecting a circle first then a center point
- 'Integer' and 'Random' option for sliders
- File -> Open Webpage allows loading of ggb files from webpages by pasting a URL from a browser (ending .html or .ggb). Also allows loading of files encoded as a Base 64 or GeoGebra XML string.
- "Show trimmed intersecting lines" option for intersection points
- Tooltip options (Object Properties -> Advanced) On, Off, Caption, Next Cell, Automatic (old behaviour: only when Algebra View is open)
- Proper display of formulas and matrices in the spreadsheet
- When an expression like ab + 1 is entered, if the variable ab is undefined then it is automatically created as ab = a * b if a and b are Numbers, or ab = Distance[a,b] if a and b are Points.
- FormulaText[
], FormulaText[ ] now display nicely - support for csc(x), sec(x), cot(x), csch(x), sech(x), coth(x) and derivatives
- Algebra View: you can now shift-click to select multiple objects
- sqrt(3 + i), cbrt(3 + i), conjugate(3 + i), arg(3 + i)
- "Import Data" option in the Spreadsheet context menu
- Windows-style keycodes now work in Text Fields (eg Alt-0176 for °) [not Mac OSX]
- Support for entering Unicode digits as part of expressions eg Eastern Arabic, Thai
Version 4.0.21:
- added function log(b, x) for base b
- Worksheet export: Option to embed the ggb file into the HTML (encoded as Base64, uses the 'ggbBase64' parameter)
- Export as 'Animated GIF' (animation is controlled using a slider as the "clock")
- Compass Tool allows selecting a circle first then a center point
- 'Integer' and 'Random' option for sliders
- File -> Open Webpage more...
Requirements
PPC / Intel, Mac OS X 10.4 or later
PPC / Intel, Mac OS X 10.4 or later
GeoGebra User Discussion (Write a Review)
Overall:
(4)
(4)
| Downloads:3,820 |
| Version Downloads:346 |
| Type:Education : Mathematics |
| License:Free |
| Date:08 Feb 2012 |
| Platform:PPC / Intel |
| Price:Free |
Overall (Version 4.x): |
| Features: |
Ease of Use: |
| Value: |
| Stability: |
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GeoGebra is dynamic mathematics software for all levels of education that joins arithmetic, geometry, algebra and calculus. It offers multiple representations of objects in its graphics, algebra, and spreadsheet views that are all dynamically linked.
While other interactive software (e.g. Cabri Geometry, Geometer's Sketchpad) focus on dynamic manipulations of geometrical objects, the idea behind GeoGebra is to connect geometric, algebraic, and numeric representations in an interactive way. You can do constructions with points, vectors, lines, conic sections as well as functions and change them dynamically afterwards. Furthermore, GeoGebra allows you to directly enter and manipulate equations and coordinates. Thus you can easily plot functions, work with sliders to investigate parameters, find symbolic derivatives, and use powerful commands like Root or Sequence.
While other interactive software (e.g. Cabri Geometry, Geometer's Sketchpad) focus on dynamic manipulations of geometrical objects, the idea behind GeoGebra is to connect geometric, algebraic, and numeric representations in an interactive way. You can do constructions with points, vectors, lines, conic sections as well as functions and change them dynamically afterwards. Furthermore, GeoGebra allows you to directly enter and manipulate equations and coordinates. Thus you can easily plot functions, work with sliders to investigate parameters, find symbolic derivatives, and use powerful commands like Root or Sequence.
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+100
Stickman67 reviewed on 28 Aug 2011
Another major benefit is that I can create shapes (e.g. triangles for trigonometry) and then export them in graphics formats that I can import into MS Word and other apps. Terrific for creating information sheets, worksheets and quizzes.
Overall, a very powerful tool and well worth the time to learn to use.
Highly recommended.
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Iliast reviewed on 27 Aug 2011
I only wish there will be a version for ipad(2) !
+17
You can teach with this for sure.
It is Java but very very fast.
Worth a serious look by math teachers....before committing $$$ to cabri.
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Iliast reviewed on 06 Mar 2011
Ilias
+21
Myschizobuddy rated on 12 Feb 2011