Navodilo za klasično GeoGebro
Dobrodošli v [url=https://www.geogebra.org/classic]Klasični GeoGebri[/url]! Naučimo se, kako uporabimo to aplikacijo za risanje grafov, za geometrijo, za raziskovanje 3D prostora, algebro (s SSR) podatke (v preglednicah) in za verjetnost. Izberi katerokoli od navodil spodaj za lažji začetek dela z aplikacijo.
Table of Contents
- Risanje grafov
- Grafi funkcij in koordinate točk v koordinatnem sistemu
- Uporaba orodij v GeoGebri
- Parametri enačbe premice
- Raziskovanje linearne neenačbe
- Raziskovavnje parametrov polinomov
- Geometrija
- How to use the Show / Hide Object Tool
- 3D Grafi
- SSR
- Preglednice
- Verjetnost
- Preverjanje znanja
Grafi funkcij in koordinate točk v koordinatnem sistemu
Create new objects
[size=100]You may create new objects (e.g. points, lines, functions) by either using the [i]Graphics Tools[/i] provided in the [i]Toolbar[/i], or by entering their equations and coordinates into the[i] Algebra Input[/i] and pressing the [i]Enter [/i]key.[br][/size]
Instructions
[size=100][table][tr][td nowrap][code]y = 3 x + 1[/code][/td][td]Enter the linear equation [code]y = 3*x + 1 [/code]into the [i]Algebra Input[/i] and press the [i]Enter [/i]key.[/td][/tr][tr][td nowrap][code]f(x) = x² + 2[/code][/td][td]Enter the function [code]f(x) = x^2 + 2[/code] into the [i]Algebra Input[/i] and press the [i]Enter [/i]key.[/td][/tr][tr][td nowrap][code]B = (2, 1)[/code][/td][td]Enter [code]B = (2, 1)[/code] into the [i]Algebra Input[/i] and press [i]Enter [/i]in order to create a new point. Create another new point [code]C = (-1, 3)[/code][/td][/tr][tr][td][center][icon]https://tube.geogebra.org/images/ggb/toolbar/mode_join.png[/icon][/center][/td][td]Select the [i]Line [/i]tool from the [i]Toolbar [/i]and click twice in the [i]Graphics View[/i] or on the two existing points [i]B[/i] and [i]C[/i] to create a line.[/td][/tr][/table][br][/size][u]Hint[/u]: Click on the [img]https://wiki.geogebra.org/uploads/thumb/d/dc/Keyboard_open.svg/20px-Keyboard_open.svg.png[/img] keyboard icon in order to open a [b]virtual keyboard[/b].
Try it yourself...
Modify existing objects
[size=100]You can drag existing objects in the [i]Graphics View[/i], or change their equations and coordinates in the [i]Algebra View[/i].[br][br][/size][table][tr][td][size=100]1.[/size][/td][td][size=100][icon]https://tube.geogebra.org/images/ggb/toolbar/mode_move.png[/icon][/size][/td][td][size=100]Select the [i]Move [/i]tool and drag objects in the [i]Graphics View[/i] to change their position.[/size][/td][/tr][tr][td][size=100]2.[/size][/td][td][br][/td][td][size=100]Double click on an object in the [i]Algebra View[/i] in order to directly change its equation or coordinates, or redefine it.[/size][/td][/tr][/table][size=100][br][/size]
Delete objects
[size=100]Sometimes, you may want to delete objects that you created in one of the following ways:[br][/size][list][*][size=100]Select the [img]https://wiki.geogebra.org/uploads/thumb/3/38/Menu-edit-undo.svg/16px-Menu-edit-undo.svg.png[/img] [i]Undo [/i]button in order to undo the last object(s) you created.[/size][/*][*][size=100]Use the [img]https://wiki.geogebra.org/uploads/thumb/8/86/Mode_delete.svg/16px-Mode_delete.svg.png[/img] [i]Delete[/i] tool in order to delete any object you created.[br][u]Hint[/u]: Click on the last [i]Tool[/i] icon in order to open the corresponding [i]Toolbox[/i]. Select the [img]https://wiki.geogebra.org/uploads/thumb/8/86/Mode_delete.svg/16px-Mode_delete.svg.png[/img] [i]Delete [/i]tool from the [i]Toolbox[/i] and click on the object(s) you want to delete.[/size][/*][/list][size=100][br][/size]
How to use the Show / Hide Object Tool
How to hide objects in the Graphics View
[size=100]You may use the [img]https://wiki.geogebra.org/uploads/thumb/2/25/Mode_showhideobject.svg/16px-Mode_showhideobject.svg.png[/img] [i]Show / Hide Object[/i] tool in order to hide auxiliary objects in the [i]Graphics View[/i]: [br][table][tr][td]1.[/td][td][icon]/images/ggb/toolbar/mode_showhideobject.png[/icon][/td][td]Activate the [i]Show / Hide Object[/i] tool.[/td][/tr][tr][td]2.[/td][td][br][/td][td]Select all objects you want to hide.[br][/td][/tr][tr][td][br][/td][td][br][/td][td][u]Note[/u]: All selected objects stay highlighted as long as tool [img]https://wiki.geogebra.org/uploads/thumb/2/25/Mode_showhideobject.svg/16px-Mode_showhideobject.svg.png[/img] [i]Show / Hide Object[/i] is activated.[/td][/tr][tr][td]3.[/td][td][icon]/images/ggb/toolbar/mode_move.png[/icon][/td][td]Switch to any other tool in order to apply your visibility changes.[/td][/tr][/table][/size]
Instructions
[table][tr][td][size=100]1.[/size][/td][td][size=100][icon]/images/ggb/toolbar/mode_showhideobject.png[/icon][/size][/td][td][size=100]Select tool[i] Show / Hide Object[/i] from the last [i]Toolbox[/i] in the [i]Toolbar[/i].[br][u]Hint[/u]: Click on the [i]Tool[/i] icon [img]https://wiki.geogebra.org/uploads/thumb/4/45/Mode_translateview.svg/16px-Mode_translateview.svg.png[/img] in order to open the [i]Toolbox[/i].[/size][/td][/tr][tr][td][size=100]2.[/size][/td][td][size=100][/size][/td][td][size=100]Select on one of the circles, which is auxiliary and should be hidden.[br][u]Note[/u]: The circle stays highlighted as long as tool [img]https://wiki.geogebra.org/uploads/thumb/2/25/Mode_showhideobject.svg/16px-Mode_showhideobject.svg.png[/img] [i]Show / Hide Object[/i] is activated.[/size][/td][/tr][tr][td][size=100]3.[/size][/td][td][size=100][icon]/images/ggb/toolbar/mode_move.png[/icon][/size][/td][td][size=100]Select another tool (e.g. the [i]Move [/i]tool) in order to apply your changes and hide the circle.[/size][/td][/tr][tr][td][size=100]4.[/size][/td][td][size=100][icon]https://tube.geogebra.org/images/ggb/toolbar/mode_showhideobject.png[/icon][/size][/td][td][size=100]Also hide the other circle, as well as the lines.[/size][/td][/tr][/table]
Try it yourself...
How to show hidden objects in the Graphics View
You may use the [img]https://wiki.geogebra.org/uploads/thumb/2/25/Mode_showhideobject.svg/16px-Mode_showhideobject.svg.png[/img] [i]Show / Hide Object[/i] tool in order to show hidden objects in the [i]Graphics View[/i]: [br][table][tr][td]1.[/td][td][icon]/images/ggb/toolbar/mode_showhideobject.png[/icon] [/td][td]Activate the [i]Show / Hide Object[/i] tool.[br][u]Hint[/u]: All hidden objects are appear highlighted in the [i]Graphics View[/i]. [/td][/tr][tr][td]2.[/td][td][/td][td]Deselect all objects you want to show again. [br][u]Note[/u]: All selected objects will stay hidden.[/td][/tr][tr][td]3.[/td][td][icon]https://tube.geogebra.org/images/ggb/toolbar/mode_move.png[/icon][/td][td]Switch to any other tool in order to apply your visibility changes.[/td][/tr][/table]