Sub move_up()
With Range("A1")
.Value = .Value + 1
End With
End Sub

Draw a button using the Forms Toolbar and right-click and "Assign Macro"

If you're not familiar with VBA and macros, see David McRitchie's site for
more on "getting started".

http://www.mvps.org/dmcritchie/excel/getstarted.htm

or Ron de De Bruin's site on where to store macros.

http://www.rondebruin.nl/code.htm

In the meantime..........

First...create a backup copy of your original workbook.

To create a General Module, hit ALT + F11 to open the Visual Basic Editor.

Hit CRTL + r to open Project Explorer.

Find your workbook/project and select it.

Right-click and Insert>Module.  Paste the code in there.  Save the
workbook and hit ALT + Q to return to your workbook.

Run or edit the macro by going to Tool>Macro>Macros.

You can also assign this macro to a button or a shortcut key combo.

Gord Dibben  MS Excel MVP