There are a few ways to limit entries to numeric values in Excel. One way is to use the Data Validation feature. To do this, first select the cells you want to restrict. Then, go to the Data tab on the ribbon and click Data Validation. In the Settings tab, choose Decimal from the Allow drop-down menu. You can also specify a minimum and maximum value, as well as how many decimal places are allowed. Finally, click OK.
Another way to limit entries to numeric values is to use a formula. For example, you could use the ISNUMBER function. To do this, select the cells you want to restrict and enter the following formula: =ISNUMBER(A1). This will return TRUE if the value in cell A1 is numeric and FALSE if it is not. You can then use conditional formatting to highlight cells that contain non-numeric values.
Finally, you can also use VBA to restrict entries to numeric values. To do this, select the cells you want to restrict and press Alt+F11 to open the Visual Basic Editor. Then, insert the following code:
Private Sub Worksheet_Change(ByVal Target As Range) If Not Intersect(Target, Range("A1:A10")) Is Nothing Then If Not IsNumeric(Target) Then MsgBox "Please enter a numeric value!" Target.CancelUpdate End If End If End Sub