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, and conic sections, as well as functions, and change them dynamically more...

What's New

Version 5.0.42.0:

fix for f == g (for multi-variable functions) and for Intersect[curve, curve]

fix for Triangular[0, 50, 25, x, false]

new version of Giac with fix for Integral[((x-2)(x-3))^2,2,3]

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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, and 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.

Version 5.0.42.0:

fix for f == g (for multi-variable functions) and for Intersect[curve, curve]

fix for Triangular[0, 50, 25, x, false]

new version of Giac with fix for Integral[((x-2)(x-3))^2,2,3]

new command Polar to find the Pole of a Line

allow transparent SVG export

fix problem with Relative Copy of If...

allow Translate[B, (1, 2, 3)] as shortcut for Translate[B, Vector[(1, 2, 3)]]

SetValue[list, number] to change the selected index (for drop-down list)

CAS View: new version of Giac with bugfixes including Join[{{{1}}}] and round(3.1+3.7ί )

CAS View: fix for a/(1E8)2

CAS View: fix for Dot[(-5+k,-5+k), (3,9)] and improvement for mixing 2D/3D points

new commands TurtleUp and TurtleDown

fix for angles appearing in Graphics View 2

floor/ceil/round() for complex numbers / points / vectors

new version of Giac with fixes for (1,1/sqrt(3)) and floor/ceil/round() for complex numbers

round(pi,2) syntax added (CAS View and Input Bar)

floor/ceiling/round working for complex numbers (CAS View and Input Bar)

fix for Sequence[LowerSum[x2, i, i + 1, 1], i, 1, 5]

fix for Sum[Sum[x+2y, x, 1, 3], y, 2, 4]

3D View: fix for picking points rather than eg lines for dragging

various PGF/TikZ export improvements

CopyFreeObject[] working for Rays, Segments

improvement for checking equality of polynomial functions

CAS View: make sure Distance[(1,2),3] gives an error

ToBase[0.25,2] working

new version of Giac with fix for NSolve

fix for (1,Iteration[x +1, 0, 2])

fix for Sequence[If[...

make sure undefined lines work better with Input Boxes (y = ? not ?x + ?)

make sure point can't be dragged to undefined region

correct object selected when Object Properties opened

CAS View: fix for NSolve[{3=c*a^5, 3=c*a^4},{a,c}]

new version of Giac, including support for Tangent[(2,5),Ellipse[(1, 1),(3, 2),(2, 3)]], fix for Distance[(0,2),y=x^2]

support for pasting (most) numbers with decimal separator into the spreadsheet

easier piecewise syntax

If[] working for multivariate conditions

bugfix for Angle slider's label appearing in the 3D View

Turtle: image can be changed

fix for RandomBetween[5.5, 5.5]

Derivative[ Curve ], Tangent[ Point, Curve ] and ApplyMatrix[] working in 3D

fix for CurvatureVector in 3D

new commands SetPointSize[ Polygon, Number ], SetPointSize[ Net, Number ] and SetPointSize[ Polyhedron, Number ]

new commands Cube[ Point, Point, Point ], Tetrahedron[ Point, Point, Point ], Octahedron[ Point, Point, Point ], Icosahedron[ Point, Point, Point ], Dodecahedron[ Point, Point, Point ]

fix axis problem in TikZ output

CAS View: Partial support for Vectors

fix for right angle style in 3D

fix problem with right-angle style (when 3D View showing)

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