Here's a simple example ..
Sample construct at:
http://www.savefile.com/files/3858780
ResetMultiCellRange_1vagrowr_misc.xls
Draw a Command Button from the Control Toolbox* toolbar on the sheet
*Activate it if necessary, via clicking: View > Toolbars > Control Toolbox
Right-click on the button > View Code
Copy > paste the code below into the code window on the right
(clear the defaults first)
Private Sub CommandButton1_Click()
Range("B2,B4,B6,D2,D4,D6").ClearContents
End Sub
Press Alt+Q to exit VBE and return to Excel
Click the "Exit Design Mode" icon** on the Control Toolbox Toolbar
**the one with the "triangle" pic
Test it out. Clicking the button will clear the multi-cell range:
B2,B4,B6,D2,D4,D6