BASIC MICROSOFT EXCEL FUNCTIONS
Function:	Type this (first, click once in the cell where you want the result to go):
Addition	=X1+X2+X3
Subtraction	=X1-X2
Multiplication	=X1*X2
Division	=X1/X2
Sum	=SUM(X1:X14)
Sheets	=Sheet1!X2     (place this formula in a cell on a different sheet)
Sum using Sheets	=Sheet1!X1+Sheet2!X1+Sheet3!X1
Sum for many Sheets	=Sum('Sheet1:Sheet9'!X1)
	where X1, X2, X3, etc.  are the cells (such as A1, B1, C1, etc.)