Guidelines and examples of array formulas - Microsoft Support
An array formula (one that spans multiple cells) can do calculations on rows and columns of cells where you might otherwise need to use several formulas. For example, you can count the number of characters that are contained in a range of cells, sum only numbers that meet certain conditions (such as the lowest values in a range or numbers that fall between an upper and lower boundary), and sum ...
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel for iPad, Excel for iPhone
如何登入 Hotmail - Microsoft 支援服務
若要在 Outlook.com 中取得支援,請按一下這裡或選取功能表列上的 [說明],然後輸入您的查詢。如果自助無法解決問題,請向下捲動至 [仍然需要協助嗎?] 然後選取 [是]。 若要在 Outlook.com 中與我們連絡,您必須登入。 如果您無法登入,請按一下 [這裡]。 如需 Microsoft 帳戶或訂閱的其他協助,請瀏覽 ...
适用于: Outlook.com
在 Excel 公式中使用函数和嵌套函数 - Microsoft 支持
嵌套 Excel 函数 在某些情况下,您可能需要将相应函数作为另一函数的参数使用。 例如,以下公式使用嵌套 AVERAGE 函数 ,并将结果与值 50 进行比较。 1. AVERAGE 和 SUM 函数嵌套在 IF 函数中。 有效返回值 当将嵌套函数作为参数使用时,该嵌套函数返回的值类型必须与参数使用的值类型相同。
适用于: Microsoft 365 专属 Excel, Excel 2021, Excel 2019, Excel 2016
Use the SUM function to sum numbers in a range
You can use a simple formula to sum numbers in a range (a group of cells), but the SUM function is easier to use when you’re working with more than a few numbers. For example =SUM(A2:A6) is less likely to have typing errors than =A2+A3+A4+A5+A6. Here’s a formula that uses two cell ranges: =SUM(A2:A4,C2:C3) sums the numbers in ranges A2:A4 and C2:C3.
适用于: Microsoft 365 专属 Excel, Excel 网页版, Excel 2021, Excel 2019, Excel 2016
How to install programs from online sources on Windows 10
Select Save or Save as to download the program. Most antivirus programs like Windows Defender will scan the program for viruses during download.
如何安装最新版本的 DirectX - Microsoft 支持
DirectX 9.0c 通过安装 DirectX 9.0c 最终用户运行时适用于 Windows XP 和 Windows Server 2003。 某些应用程序和游戏需要 DirectX 9。 但是,你的计算机包含更新版本的 DirectX。 如果安装并运行需要 DirectX 9 的应用程序或游戏,你可能会收到错误消息“无法启动 ...
How to install the latest version of DirectX - Microsoft Support
Learn how to install the latest version of DirectX to enable games and multimedia applications on your system.
Sync files with OneDrive in Windows - Microsoft Support
See and manage your OneDrive files. You're all set. Your OneDrive files will appear in File Explorer in the OneDrive folder. If you use more than one account, your personal files appear under OneDrive – Personal and your work or school files appear under OneDrive - CompanyName.. You now have a new white or blue cloud icon (or both) in your notification area and your files are synced to your ...
适用于: OneDrive for Business, SharePoint Server 订阅版, SharePoint Server 2019, Microsoft 365 中的 SharePoint, Office 商业版, Microsoft 365 管理员, 由世纪互联运营的 Office 365, 由世纪互联运营的 Office 365 - 管理员版, OneDrive (工作或学校), OneDrive (家庭或个人), 由世纪互联运营的 OneDrive (工作或学校), Windows 版 OneDrive, SharePoint 管理中心, Microsoft 365 小型企业版中的 SharePoint, 由世纪互联运营的 SharePoint
Use the Calculator in Windows - Microsoft Support
The Calculator app for Windows is a touch-friendly version of the desktop calculator in previous versions of Windows. You can open multiple calculators at the same time in resizable windows on the desktop and switch between Standard, Scientific, Graphing, Programmer, Date calculation, and Converter modes.. To get started, select the Start button, and then select Calculator in the list of apps.
Change default programs in Windows - Microsoft Support
To change the default app, you can do either of the following: Set a default for a file type or link type In the search bar, enter the file type or link type you want, then select it from the list of results.