1. Introduction to EXCEL EXCEL Formulas

2. History of the Spreadsheet
VisiCalc designed by Dan Bricklin and Robert Frankston in 1979 for the Apple II computer
Killer application of the day
Row and Column format with automatic recalculation

3. EXCEL Large Matrix 65,536 rows and 256 columns
Basic building block is called a cell
A cell contains a text description, value or formula/function
A cell is the intersection of a column and row

4. EXCEL Formulas
Begin with an equal sign and include at least one arithmetic operator
Examples
=B1 + B2
=A5 + 20
=d12-D13
=A3*d10-b4
=f20/3
=C15*10%

5. Operators
* / ^
The order: Exponentiation,Multiplication and division (left to right), Addition and Subtraction(left to right)
=10 + 4/2
= 14/2=7
4/2 = 2+10 = 12
You can change the order thru parentheses =(10 +4)/2