Determines the last row and column in the worksheet:

 
Sub rowCol()
     Set rngLast = Range("A1").SpecialCells(xlCellTypeLastCell)
     lLastRow = rngLast.Row
     lLastCol = rngLast.Column
End Sub

1.	Delete numbers
2.	Constants for the Value Argument for the SpecialCells Method
3.	Selecting with SpecialCells
4.	Select Comment Cells
5.	Select Active Area
6.	Identifies all the cells that contain formulas resulting in errors in the active worksheet:
7.	Deletes all the numbers in a worksheet, leaving the formulas intact
8.	Copies all the numeric constants in the active sheet to blocks in the sheet named Constants, leaving an empty row between each block
9.	Using Error Handling When Using SpecialCells
10.	Using the SpecialCells method: uses the Set keyword to create two new Range objects: the selection's subset that consists of cells with constants and the selection's subset that consists of cells with formulas.
11.	Process the formulas

Determines the last row and column in the worksheet: : SpecialCells « Excel « VBA / Excel / Access / Word