Release Notes GeoGebra 4.4

This page gives an overview of the new features in GeoGebra 4.4 since version 4.2. Please see our fully revised Manual document for more detailed descriptions of each new tool and command.

You can install the current stable version of GeoGebra 4.2 by using our Webstart or Download option.

Details about how to run GeoGebra 4.4 are here: https://www.geogebra.org/forum/viewtopic.php?f=70&t=32337

General Features

• new CAS Engine (Giac) which is much faster and resolves many problems from GeoGebra 4.2
• HTML worksheet export removed

Chrome App Improvements

• works offline
• Graphics 2 works, and you can rearrange views by dragging the title bar
• CAS View works (to be confirmed)

New Commands

• Intersect[ <Polynomial Curve>, <Polynomial Curve> ]

finds multiple intersections using a computer algebra method

• Intersect[ <Curve 1>, <Curve 2>, <Parameter 1>, <Parameter 2> ]

finds one intersection using an iterative method starting at the given parameters

New CAS Commands

• CIFactor[ <Expression> ]
• CIFactor[ <Expression>, <Variable> ]

factor over the complex irrationals, eg CIFactor[x^2+x+1]

• IFactor[ <Expression> ]
• IFactor[ <Expression>, <Variable> ]

Factor over the irrationals, eg IFactor[x^2+x-1]

GeoGebra's XML File Format

GeoGebra's XML file format is documented at Reference:XML.

License

You are free to copy, distribute and transmit GeoGebra for non-commercial purposes. Please see the GeoGebra license for details: http://www.geogebra.org/download/license.txt

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