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This is a tutorial on how Geogebra's layer properties for geometrical objects (points, lines, polygons, conics) and images work.

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Please see https://www.geogebra.org/exam

For Chromebooks, please see Kiosk Mode instructions here: https://www.geogebra.org/m/mnnsswwu

Where can I get the beta-test versions?

GeoGebra Website: https://beta.geogebra.org

GeoGebra Calculator Suite

GeoGebra Graphing Calculator:

GeoGebra Classic:

GeoGebra 3D Graphing Calculator:

GeoGebra Geometry Calculator:

GeoGebra CAS Calculator:

GeoGebra Scientific Calculator:

Which versions support AR (Augmented Reality)

On Android it's supported in this app: https://play.google.com/store/apps/details?id=org.geogebra.android.g3d but your phone/tablet needs to support the ARCore Library: https://play.google.com/store/apps/details?id=com.google.ar.core

You can check a list of supported devices here: https://developers.google.com/ar/discover/supported-devices

On iOS https://itunes.apple.com/us/app/geogebra-3d-graphing-calc/id1445871976 you need to have a device with iOS 11 that supports ARKit ie iPhone 6S / iPad 5 or later: https://developer.apple.com/library/archive/documentation/DeviceInformation/Reference/iOSDeviceCompatibility/DeviceCompatibilityMatrix/DeviceCompatibilityMatrix.html

My computer crashed, where's my work?

If you were using GeoGebra Classic 5, have a look in the computer's temporary folder and look for the most recent file like GeoGebraUndoInfo6533063557894725659.ggb

Quickest way in Windows: http://www.tomshardware.co.uk/faq/id-2082907/temp-folder-windows.html

or just type this in Windows Explorer

What's happened to offline export as a webpage?

If you upload your worksheet to https://www.geogebra.org/materials then you can download it as an "Offline Worksheet (.zip)" for example https://www.geogebra.org/material/show/id/RHYH3UQ8#download-popup

Graphical Glitches in GeoGebra Classic 5 (Windows)

These are due to a bug in the graphics card drivers. If you can't find newer or older driver that work then you can try

setting compatibility mode to Windows XP (Service Pack 3)

setting a J2D_D3D environment variable

run from the command-line with -Dsun.java2d.d3d=false

See https://help.geogebra.org/topic/geogebra-on-windows-10-graphical-bug and https://wiki.geogebra.org/en/Reference:Command_Line_Arguments

Where is the online version?

https://www.geogebra.org/graphing

GeoGebra Classic 6 Won't Start (or opens off-screen) - Windows

Delete this folder C:\Users\<username>\AppData\Roaming\GeoGebra

This is a hidden folder, so can be hard to find. One way is to press <Windows>R and then copy and paste this (changing <username> to your Windows username)

explorer /n, /e, /select, C:\Users\<username>\AppData\Roaming\GeoGebra

then right-click -> Delete

GeoGebra Classic 6 Won't Start (or opens off-screen) - macOS

Uninstall GeoGebra and then also:

Open Finder

Hold down Alt (Option) and choose Go from the dropdown menu bar at the top of the screen

You will see the ~/Library folder

Go to the following folders and search for subfolders which are connected to GeoGebra 6.

Search for GeoGebra folders in Application Support, Saved Application State, Preferences and Caches.

Delete these GeoGebra folders and install GeoGebra Classic 6 again.

"GeoGebra" cannot be opened because the developer cannot be verified (macOS)

In the Finder on your Mac, locate the downloaded GeoGebra app you want to open.

Control-click the app icon, then choose Open from the shortcut menu.

Click Open.

The app is saved as an exception to your security settings, and you can open it in the future by double-clicking it or from cli, just as you can with any authorised app.

3D View not working on GeoGebra 6

Try adding the line

app.commandLine.appendSwitch('ignore-gpu-blacklist', 'true');

after the line

const {app, BrowserWindow, Menu} = require('electron');

which is around line 24 in resources/app/main.js

Error "A Java Exception has occurred"

Delete this folder: C:\Users\<username>\AppData\Roaming\GeoGebra 5.0

This is a hidden folder, so can be hard to find. One way is to press <Windows>R and then copy and paste this (changing <username> to your Windows username)

explorer /n, /e, /select, C:\Users\<username>\AppData\Roaming\GeoGebra 5.0

then right-click -> Delete

GeoGebra Classic 5 Won't Start (Windows)

Delete this folder: C:\Users\<username>\AppData\Roaming\GeoGebra 5.0

(see previous question for more details)

GeoGebra Classic 5 Won't Start (macOS)

Delete this folder: ~/Library/Containers/org.geogebra5.mac/Data/.GeoGebra5.0/prefs/

Delete this folder: C:\Users\<username>\AppData\Roaming\GeoGebra 5.0

(see previous questions for more details)

How can I hard-reset my iPhone?

Support for OSX 10.6, 10.7

Please try the version with Java 7 or upgrade for free to OSX 10.10

CAS View doesn't work in the Portable version (Classic 5, Windows)

Right-click on GeoGebra.exe and Run as Administrator

GeoGebra Classic 5 doesn't work well on my retina Macbook Pro

Go to Program Files then right-click on GeoGebra -> Info -> "Open in lower resolution"

How do I get the macOS version without going through the Mac App Store?

You can use a portable version, which you'll find here: www.geogebra.org/portable

Problems with Java Applets

Where has GeoGebra x.y gone?

Some older unsupported versions of GeoGebra are available here:

download.geogebra.org/installers/4.4/ download.geogebra.org/installers/4.2/ download.geogebra.org/installers/4.0/ download.geogebra.org/installers/3.2/

Java Errors, eg "Could not create the Java virtual machine."

C:\Users\<username>\AppData\Roaming\GeoGebra 5.0

Can I run GeoGebra on my iPad / Win 8 / Android Tablet?

Yes, www.geogebra.org/download

Can I run GeoGebra on my Chromebook?

Yes, install the GeoGebra Chrome App

GeoGebra won't start

On Windows delete this folder: C:\Users\<username>\AppData\Roaming\GeoGebra 5.0

On Mac delete ~/Library/Containers/org.geogebra5.mac/Data/.GeoGebra5.0/prefs/ where ~ stands for your home folder.

Clearing the Java Cache

Java Control Panel -> General -> Temporary Internet Files -> Settings -> Delete files...

To get the Java Control Panel in Windows 7/8/8.1/10, open Control Panel then type "Java" in the search box (top right).

Clearing the Browser's Cache

Internet Explorer: Internet Options -> General -> Delete

Chrome: "Hamburger"-> Settings -> Show Advanced Settings -> Privacy -> Clear Browsing Data

Firefox: Options -> Options -> Privacy -> Clear Recent History

Safari: Preferences -> Privacy -> Remove All Website Data

Other browsers: How do I clear my cache?

Network install (Windows)

wiki.geogebra.org/en/Reference:GeoGebra_Mass_Installation

Suppressing the "New version available" message (Windows)

Set this key in the Registry:

HKEY_LOCAL_MACHINE/Software/JavaSoft/Prefs/geogebra/version_check_allow = false

or, using a command line argument:

Command_Line_Arguments

How do I run GeoGebra with more memory allocated?

Command_Line_Arguments

Problems with Zooming using Microsoft Wireless Mouse

help.geogebra.org/topic/mouse-wheel-only-zooms-out-will-not-zoom-in-

# data[].attributes.attachment_link.description
Please see https://www.geogebra.org/exam For Chromebooks, please see Kiosk Mode instructions here: https://www.geogebra.org/m/mnnsswwu GeoGebra Website: https://beta.geogebra.org GeoGebra Calculator Suite GeoGebra Graphing Calculator: GeoGebra Classic: GeoGebra 3D Graphing Calculator: GeoGebra Geometry Calculator: GeoGebra CAS Calculator: GeoGebra Scientific Calculator: On Android it's supported in this app: https://play.google.com/store/apps/details?id=org.geogebra.android.g3d but your phone/tablet needs to support

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Learn how easy it is to use GeoGebra apps with our tutorial videos and courses!

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GeoGebra Klaslokaal is een virtueel platform waarmee leerkrachten

interactieve opdrachten kunnen delen met hun leerlingen

de vooruitgang van de leerlingen aan aan specifieke taak kunnen volgen

zien welke leerlingen al begonnen zijn en welke niet

de hele klas vragen kunnen stellen en meteen alle antwoorden bekijken

de namen van leerlingen kunnen anonimiseren bij het tonen van antwoorden van leerlingen

interactieve discussies tussen alle leerlingen, groepen van leerlingen of individuele leerlingen We plannen nog bijkomende mogelijkheden in de loop van de komende maanden. Blijf het volgen! In deze korte initiatiehandleiding ondervind je hoe gebruiksvriendelijk het is.

# data[].attributes.attachment_link.description
GeoGebra Klaslokaal is een virtueel platform waarmee leerkrachten interactieve opdrachten kunnen delen met hun leerlingen de vooruitgang van de leerlingen aan aan specifieke taak kunnen volgen zien welke leerlingen al begonnen zijn en welke niet de hele klas vragen kunnen stellen en meteen alle antwoorden bekijken de namen van leerlingen kunnen anonimiseren bij het tonen van antwoorden van leerlingen interactieve discussies tussen alle leerlingen, groepen van leerlingen of individuele leerlingen We plannen nog bijkomende mogelijkheden in de loop van de komende maanden.

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This is a tutorial on how Geogebra's layer properties for geometrical objects (points, lines, polygons, conics) and images work.

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This activity is meant for students to learn about the use of Sequence command

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Examples of GGBscript and JavaScript implementations

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This applet is designed to create a graph grid to be embedded in a question or exam paper. It was intended as an answer grid, but can also be enhanc...

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Factorization of Quadratic Expressions Aided by Multiplication Frame

Join the class at www.geogebra.org/classroom with the code

VBCF WXCS