GeoGebra数学应用程序和交互式资源都可以与屏幕阅读器和键盘导航一起使用。作者可以使用许多可访问性特性来优化资源以供可访问性使用。GeoGebra的数学应用程序和活动支持AA级Web内容无障碍指南（WCAG）2.1。[br]查看VPAT for GeoGebra图形计算器以了解更多信息。[br]观看以下视频，了解GeoGebra资源如何与屏幕阅读器和键盘导航配合使用：

[u]Windows和macOS上的导航[/u][br][br][table][tr][td][b]tab[/b][/td][td]选择下一个对象[/td][/tr][tr][td][b]shift+tab[/b][/td][td]选择上一个对象[/td][/tr][tr][td][b]松开[br]enter[/b][/td][td]离开活动并再次进入[br][/td][/tr][tr][td][b]空格键[/b][/td][td]按下按钮，切换复选框，打开下拉菜单[/td][/tr][tr][td][b]enter键[/b][/td][td]在下拉列表中选择项目，确认输入框输入[/td][/tr][tr][td][b]上下方向键[/b][/td][td]增加和减少滑块的值，上下移动点和其他对象[br][br][/td][/tr][tr][td]左右方向键[/td][td]左右移动点和其他对象[br][br][/td][/tr][tr][td][b]+\-[/b][/td][td]沿路径移动点[br][br][/td][/tr][/table][br][u]Android和iOS上的导航[/u][br][br][br][br][table][br][tr][td][b]向右滑动[/b][/td][td]选择下一个对象[/td][/tr][br][tr][td][b]向左滑动[/b][/td][td]选择上一个对象[/td][/tr][br][tr][td][b]双击[/b][/td][td]按下按钮，切换复选框，打开下拉菜单， 在下拉列表中选择项目[/td][/tr][br][tr][td][b]音量+/-[/b][/td][td]增加/减少点的坐标，更改滑块的值[br](Android)[br][/td][/tr][tr][td][b]swipe up[br]swipe down[/b][br][/td][td]增加/减少点的坐标，更改滑块的值[br](iOS)[br][br][/td][/tr][/table]

[b]说明文本[br][/b]GeoGebra资源可以具有动态说明。如果它连接到可调值，只要变量发生变化，它就会被读出（参见视频）。[br][b][br]制表顺序[br][/b]GeoGebra资源可以优化为仅用于键盘。选项卡顺序非常灵活，由作者定义。[br][b][br]可选择对象[br][/b]资源可能包含不应该被选择或读取的对象，尤其是隐藏的辅助对象。隐藏的对象可能会导致仅屏幕阅读器用户感到困惑。可以将对象定义为不可选择，以便屏幕阅读器无法读取它们。[br][br][b]对象设置(点)[/b][br][table][tr][td][u]设置[/u][/td][td][u]可见度[/u][/td][td][u]屏幕阅读器[/u][/td][/tr][tr][td]名称: A[br]标题: (none)[br]显示标签: 名称[/td][td][img]data:image/png;base64,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[/img][/td][td]"[b]Point A.[/b] 按方向键移动对象。移动时：” 点A移动到 (x, y)"[/td][/tr][tr][td]名称: C[br]标题: C = %v[br]显示标签: 标题[/td][td][img]data:image/png;base64,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[/img][/td][td]"[b]Point C = (-4, 2).[/b] 按方向键移动对象。移动时："点C = (-4, 3) 移动到 to (-4, 3)"[/td][/tr][tr][td]名称: E[br]标题: E = %v[br]显示标签: 名称[/td][td][img]data:image/png;base64,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[/img][/td][td]"[b]Point E = (1, 3).[/b] 按方向键移动对象。移动时：” 点 E = (1, 4) 移动到 (1, 4)"[/td][/tr][tr][td]名称: D[br]标题: D = %v[br]显示标签: (不显示)[/td][td][img]data:image/png;base64,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[/img][/td][td]"[b]Point D = (1, 3).[/b] 按方向键移动对象。移动时：” 点D = (1, 4) 移动到 (1, 4)"[/td][/tr][/table][br]最后2个设置允许在不可见的情况下为屏幕阅读器添加额外信息！这些选项也可用于其他对象。[br]