有些时候，你需要检查单元格是否为空白，通常是因为你可能不希望公式没有输入值就显示结果。 此情况下，将 IF 与 ISBLANK 函数搭配使用： =IF(ISBLANK(D2),"Blank","Not Blank")

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.

Устранение неполадок с аксессуарами Bluetooth Если вы можете включить Bluetooth, но у вас возникают проблемы со связыванием или использованием аксессуара Bluetooth, см. следующие действия, которые помогут вам устранить ...

With Edge Chromium, you can add multiple profiles. Profiles allow multiple users to operate in a shared environment while maintaining access to their personalized browser settings, bookmarks, and extensions.

為您的 Windows 10 電腦進行磁碟重組 最佳化磁碟機可以讓電腦執行更為順暢，且開機速度更快。 若要最佳化： 選取工作列上的搜尋列，然後輸入 [ 整理]。

Get started with basic tasks in Excel such as opening a workbook, entering and formatting data, calculating data, and trying some quick analysis features..

If you want to invite someone to a meeting you haven't organized, you can forward the meeting to them. When the recipient receives the meeting request, it appears to come from the meeting organizer and the meeting organizer receives notification that you forwarded the meeting.

使用列和行分隔符拆分文本字符串。 TEXTSPLIT 函数的工作方式与文本转列向导相同，但采用公式形式。 它允许跨列拆分或按行向下拆分。 它是 TEXTJOIN 函数的反函数。 语法 =TEXTSPLIT(text,col_delimiter,[row_delimiter],[ignore_empty], [match_mode], [pad

触控手势 可以在Windows 11设备的触摸屏上使用这些手势。 若要打开触摸手势，请选择“ 开始 > 设置” > 蓝牙&设备 > 触摸 > 三指和四指触摸手势，并确保它已打开。

Receive photos, videos, or other kinds of files that you or a friend shares from another device, such as a phone, laptop, or tablet. On your PC, select Start > Settings > Devices > Bluetooth & other devices. Learn how to pair.