症狀. _xlfn。 前置詞會顯示在公式中函數的前方。 計算公式時，會顯示 #NAME？ 錯誤值。 原因. Excel 活頁簿包含目前執行的 Excel 版本中不支援的函數。

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 ...

Argument name. Description. range (required). The group of cells you want to count. Range can contain numbers, arrays, a named range, or references that contain numbers. Blank and text values are ignored. Learn how to select ranges in a worksheet.. criteria (required). A number, expression, cell reference, or text string that determines which cells will be counted.

This article describes the formula syntax and usage of the DATEVALUE function in Microsoft Excel.. Description. The DATEVALUE function converts a date that is stored as text to a serial number that Excel recognizes as a date. For example, the formula =DATEVALUE("1/1/2008") returns 39448, the serial number of the date 1/1/2008. Remember, though, that your computer's system date setting may ...

Once you have finalized the LAMBDA function, move it to the Name Manager for final definition. By doing so, you give the LAMBDA function a meaningful name, provide a description, and make it re-usable from any cell in the workbook.

Example. Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. For formulas to show results, select them, press F2, and then press Enter.

Add-ins provide optional commands and features for Microsoft Excel. By default, add-ins are not immediately available in Excel, so you must first install and (in some cases) activate these add-ins so that you can use them. Some add-ins are built in to Excel, such as Solver and the Analysis ToolPak. Some other add-ins are available from the Download Center, and must first be downloaded and ...

You can create a simple formula to add, subtract, multiply or divide values in your worksheet. Simple formulas always start with an equal sign (=), followed by constants that are numeric values and calculation operators such as plus (+), minus (-), asterisk (*), or forward slash (/) signs.The following is an example of a simple formula.

On the Home tab, in the Editing group, click Find & Select, and then click Find.

Note: If you have a current version of Microsoft 365, then you can input the formula in the top-left-cell of the output range, then press ENTER to confirm the formula as a dynamic array formula. Otherwise, the formula must be entered as a legacy array formula by first selecting two blank cells, input the formula in the top-left-cell of the output range, then press CTRL+SHIFT+ENTER to confirm it.