运算符用于指定要对公式中的元素执行的计算类型。 Excel 遵循一般数学规则进行计算，即括号、指数、乘法和除法以及加减法或首字母缩略词 PEMDAS (请原谅我亲爱的阿姨 Sally) 。 使用括号可以更改该计算顺序。 计算运算符分为四种不同类型：算术、比较、文本连接和引用。

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

社群可協助您詢問並回答問題、提供意見反應，以及聆聽來自具有豐富知識的專家意見。

6. After the new language is installed, navigate to Language and find it in your Preferred languages list. Select your language and choose Options to adjust other language settings, download features, etc. Speech settings and voices. If text-to-speech is available in your language, you can adjust voice settings to change reader voices and speeds when using audible features like Read Aloud in ...

Learn how to install the latest version of DirectX to enable games and multimedia applications on your system.

仮想化を使用すると、Android™ や Linux などの別のオペレーティング システムを PC でエミュレートできます。 仮想化を有効にすると、PC でより多くのアプリを使用したりインストールしたりできるようになります。

In most cases, you'll need your product key to activate Office 2010. Need help finding your product key? Activate Office 2010 online. Click File > Help > Activate Product Key.. If you don't see an Activate Product Key button, your software is already activated, and you don't need to do anything.

Windows Hello 是登录到 Windows 设备的一种更个性化、更安全的方式。 在 Windows Hello 中，你可以使用面部识别、指纹或 PIN 登录，而不是使用密码。 这些选项有助于更轻松地登录电脑，因为你的 PIN 仅与一台设备相关联，并且它已使用 Microsoft 帐户进行 ...

Search is right there on your taskbar, ready to help you find whatever you’re looking for. Use the search box to find your apps, files, settings, help, and more on Windows—plus unlock the power of the web with quick access to online information like time zone conversions, fact lookup, trending searches, and search results for navigating to websites faster.

Essa ferramenta é usada para coletar informações sobre dispositivos para ajudar a solucionar problemas de som e vídeo no DirectX. Uma pessoa do suporte pode solicitar essa informação, ou você pode publicá-la em um fórum para solicitar ajuda.