Simple Microsoft Excel formula to find the last day of any given month. ‘ =DATE(YEAR(A1),MONTH(A1)+1,0) ‘

Let say we want to find position of cell containing the minimum/maximum value in current/active Excel worksheet, and then after we found the cell, we will change the cell format to make it stand out before other cells. The logic is simple, we just need to use Excel MIN function to find the minimum/maximum value [...]

Some time we want to hide a certain Excel Worksheet from view, and it’s a common practice to use select the Worksheet, go to menu Format > Sheet > Hide. Using the method explained above is right, but unfortunately, others people can easily unhide the Worksheet using the same method, only this time, instead of [...]

With the simple Excel macro below, we can make all cells in active Worksheet that contains Error value in it, like #NULL, #Div/0!, #VALUE!, #Ref, #NAME?, #NUM!, And #N/A, will automatically having cell format that different/stand out among all other cells. In this example, background color of the cell that contains the error value will [...]

Let say I have a bunch of formatted data in my Excel sheet, and in Column A I have a dates. Then I wanna filter all the data base on certain date, for example 1 Jan 2009, and delete all others data before that date. The algorithm is like this: I’ll create a loop from [...]

The Excel VBA macro below will create a new Excel Worksheet called ‘RawData’ or we can use msgbox to ask for the Worksheet name if needed. If there is already a Worksheet called RawData, user will be ask whether they want to use the old Worksheet and cancel new Worksheet creation, or delete the old [...]

UPDATE June 13, 2008: Another alternative way to find the last row with data : Function LastRow() As Long Dim ix As Long ix = ActiveSheet.UsedRange.Row – 1 + ActiveSheet.UsedRange.Rows.Count LastRow = ix End Function I did a simple test, and the function will return the correct last row position even when the data was [...]