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Introduction to EXCEL EXCEL Formulas. EXCEL. 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. EXCEL. Large Matrix
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Introduction to EXCEL EXCEL Formulas EXCEL
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
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
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%
Operators • + - * / ^ The order: Exponentiation,Multiplication and division (left to right), Addition and Subtraction(left to right) =10 + 4/2 • 10 + 4 = 14/2=7 • 4/2 = 2+10 = 12 You can change the order thru parentheses =(10 +4)/2