Dr. Geo tutorial Taiwan 2005

Hilaire Fernandes

Description

ContentsIntroductionMacro-constructionScriptProgrammed Scheme sketchDr. Geo tutorialTaiwan 2005Hilaire FernandesCRDP Aquitaine - OFSETFall 2005Hilaire Fernandes Dr. Geo tutorial Taiwan 2005ContentsIntroductionMacro-constructionScriptProgrammed Scheme sketch1 Introduction2 Macro-constructionIntroductionExamplesHow it works?Conclusions3 ScriptIntroductionExamplesHow it works?Script and macro-constructionConclusions4 Programmed Scheme sketchIntroductionExamplesHow it works?ConclusionsHilaire Fernandes Dr. Geo tutorial Taiwan 2005ContentsIntroductionMacro-constructionScriptProgrammed Scheme sketchWhat is Dr.Geo?Dr.Geo is a free dynamic geometry softwareIt can be used in primary and secondary educationIt has original features as :The macro-constructionsThe Scheme scriptsSketch programmed with SchemeHilaire Fernandes Dr. Geo tutorial Taiwan 2005ContentsIntroductionMacro-constructionScriptProgrammed Scheme sketchWhere to nd Dr.Geo?Its website : http ://www.ofset.org/drgeoIn Freeduc-cd, the OFSET live cd-rom :http ://www.ofset.org/freeduc-cdHilaire Fernandes Dr. Geo tutorial Taiwan 2005ContentsIntroductionIntroductionExamplesMacro-constructionHow it works?ScriptConclusionsProgrammed Scheme sketchWhat is a macro-construction?De nitionIn short, it is a tool to learn Dr. Geo new complex constructions.De nition1 It is a set of constructions recorded in one constructioninstruction. The user de nes all the ...

Informations

• Publié par: Vuwyung
• Nombre de lectures: 16
• Langue: English

Extrait

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Dr. Geo tutorial Taiwan 2005

Hilaire Fernandes

Fall 2005

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Dr.Geo is a free dynamic geometry software It can be used inprimaryandsecondaryeducation It has original features as : Thetcursnoiro-constmac TheScheme scripts Sketchprogrammedwith Scheme

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Its website :http ://www.ofset.org/drgeo In Freeduc-cd, the OFSET live cd-rom : http ://www.ofset.org/freeduc-cd

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Definition In short, it is a tool to learn Dr. Geo new complex constructions.

Definition 1 It is a set of constructions recorded in one construction instruction. The user defines all the construction set during theconstructionphase of the macro. 2 is used, all the construction set is realized inWhen a macro one shot. It is theexecutionphase of a macro. 3 The construction set can be recorded in a file, so it can be used later.

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Starting situation : three points and two lines. It is about learning Dr. Geo how to construct a bisector given three points.

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bisector,

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The macro-construction execution over the three points.

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expected

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Addition

Starting situation : three points and two vectors. It is about learning Dr. Geo how to construct a vector addition given one point and two vectors.

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The macro-construction execution over a point and two vectors.

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The user resolves the problem once. For example, using circles to construct two points of the bisector.

macro-construction

Bisector

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Choose the construction tool of the macro-construction

05

1 Selectthe three points 1, 2 et 3 as input objects of the macro-construction 2 Selectthe lineas the output object 3 Set a name and a description to the macro 4 Validate the macro-construction

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