Casyopee - Update
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What they say:   I used Casyopée to help students solve optimisation problems. It allowed me to present students very open tasks. Students explored and found results that they had to prove afterward. Casyopée also helped students reuse basic strategies for solving.   A teacher
What they say:   Casyopée is faster and more convenient than a calculator.... We have the geometric and algebraic side of the problem at the same time. It is easier to see how a function "reacts." It's useful and interesting.   A student
What they say:   Casyopée makes it easy to calculate a derivative, to factor, to calculate zeros... and have a graph of the function next to it in the same window. It allows on a geometric problem to be able to establish variables that can then be used to study the problem by way of functions...   A student
What they say:   Casyopee is a powerful application that can prove useful to both students and teachers It allows you to use various exploration and modeling tools, with the purpose of studying or teaching mathematical functions.   Softpedia
What they say:   Casyopee comes with lots of features. One of these features is the help provided for proving a function. There is also a feature for writing HTML reports that include the mathematical functions. Casyopee is guaranteed to improve the mathematical knowledge of its users.
What they say:   Besides the concept of number, the concept of function is the most important one in mathematics      David Hilbert
What they say:   The notion of function is present in all scientific disciplines, and also in everyday life. Our experience as a teacher shows every day that it is a problem for many students. Situations with Casyopée can also be used outside of a technological environment and everyone will be able to reflect on her professional practice.   A university teacher

Casyopée has an automatic update functionality. New versions correct dysfunctionning and offer new capabilities, after classroom observations.

Updating is done through a button "Checking new version" in the Notepad or in the ?, about menu.

Because of a change on the server, automatic update from version before 3.2.6 is unavailable. Please access to update by way of the download menu.


Version 3.5.5 Correction bug on definition of expressions 

Version 3.5.4 Functions defined by Algorithm (Loop For x...) ; nb of significant digits in the display of expressions (latex)

Version 3.5.3 Improvment of Fonctions Functions defined by Algorithm

Version 3.5.2 Numerical sequences. Various corrections

Version 3.5.1 Correction bug on intersection. New Splash Screen.

Version 3.5.0 Numerous internal improvements, including redesign of the numeric evaluator and improvement of precision in the GD. Files prior to  version 3.3.0 are no longer loaded. Use version 3.4.6 for download on the site.

Version 3.4.9 Fix on fonc algo

Version 3.4.8 Sequences. User guide  (sorry French only)

Version 3.4.7 Numerical Evaluation enhanced. Approximate values' ​significant digits in the in the option menu. Points' labels move with the mouse. Variables declared in the algorithms are considered local

Version 3.4.6 Improvements and corrections.

Version 3.4.5 Adaptation for Linux. Bug on geometrical calculations and formulas whose length exceeds 1024.

Version 3.4.4 Switch Radians/Degré. Bugs on reported points.

Version 3.4.0 Enhancement and localisation of the programming environment (function defined by an algorithm) after experimenting. Option: Creation of functions with values in R² (parametric curves). See documentation and examples of use in the on line Help.

Version 3.3.9 Enhanced modelling

Version 3.3.8 Fixed problems with parameters

Version 3.3.7 Corrected minor pbs in the display and when loading files

on line help (menu ?)

Bug corrected in version 3.3.5

Problem when closing

Bugs corrected in version 3.3.3:

1. parameters created automaticly

2. wheel in the graphic window

3. redefinition of points

Bugs corrected in version 3.3.2:

  about expressions (updating and saving)

Bugs corrected in version 3.3.1:

1. modification of properties of parameters.

2. problem of display of geometrical loci. 

 .CAS files are under zip format, including the Notepad in htm and txt format, the casyopée definitions (casyop.ini)  and the maxima définitions (maximastate).

 .CAS files saved with an older version can be loaded.

Undo-redo is possible as much as you wish.

Geometrical Parameters instancied by default.

Greek Version available..

New Functionalités since 3.2.6

French help file updated (English soon).

Picture attached to a segment.

New fonctioning of parameter's instanciation.

Version 3.2.5

This version allows to import Casyopée constructions made in GeoGebra.

Admitted Constructions: Point Free, PointRepere, Intersect Point on object, Midpoint, Cursor, Line Segment, Ray, Circle, Angle, AngularBisector, Locus, LineBisector, OrthogonalLine, Polygon, segment, function (curve)

Access through the menu File-> Import Geogebra

This should allow the use of algebraic possibilities Casyopée (geometric calculations, modeling ...) from a GeoGebra figure.

Other new features: the min and max functions have been integrated into the numeric evaluator, which makes them usable for functions (graphs, curves) or geometric calculations (approximate value).

Creation date : 11/04/2014 - 17h21
Category : - GoldenGate
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