1. Constructing Basic Formulas
Microsoft Excel

2. Commonly Used Mathematical Operators
Precedence
Description ^
1st
Exponentiate *
2nd
Multiply /
Divide +
3rd
Add -
Subtract ()
Used to control the order of mathematical operations

3. Typical Excel Formulas
Action =
Adds the values 245 and 374
=f4+f5
Add the values in cells f4 and f5.
=C3+b3-d5
Adds the values in cells c3 and b3 and subtracts the value in cell d5.
(a3+b3)/c9
Adds a3 and b3 and divides by c9’s value.
=F5*1.02
Multiplies the contents in f5 by 1.02.
=f5*c5
Multiplies the content of cell f5 by c10’s contents

4. Using the SUM Function
In a SUM formula, the cell references can consist of a single cell or a block of cells. Excel refers to these references as a range.
Range
Defines
C4:C4
A single cell
B5:B10
A range of cells in column B
D3:G3
A range of cells in row 3
C5:F12
A rectangular range of cells in columns c thru f, rows 5 thru 12.

5. AutoSum
The Autosum functions allows a user to create simple calculations by selecting cells.
The cursor must be placed in the cell where the answer will appear.

6. The Formula Bar
Allows the user to view and edit data or formulas within cells.
To edit, simply use the F2 key or click your mouse in the formula window.