Copyright © 2003 by Prentice Hall Spreadsheets and Business Graphics What is a spreadsheet? Why and when a spreadsheet is used, advantages of spreadsheets.

Copyright © 2003 by Prentice HallCopyright © 2003 by Prentice Hall

Spreadsheets and Spreadsheets and Business GraphicsBusiness Graphics

What is a spreadsheet? What is a spreadsheet? Why and when a spreadsheet is used, advantages of spreadsheetsWhy and when a spreadsheet is used, advantages of spreadsheetsThe underlying principles of electronic spreadsheetThe underlying principles of electronic spreadsheetFundamentals of spreadsheetFundamentals of spreadsheetApplications for spreadsheetsApplications for spreadsheets

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SpreadsheetSpreadsheetSpreadsheets (worksheet) organize data Spreadsheets (worksheet) organize data in rows and columnsin rows and columns

The intersection of a row and a column is The intersection of a row and a column is a cella cell

Text, numbers and formulae can be input Text, numbers and formulae can be input to any of the cellsto any of the cells

Clear and informative representation of Clear and informative representation of data informationdata informationHave many applicationsHave many applications

Personal expenditures, taxPersonal expenditures, tax Mark managementMark management AccoutingAccouting

Problem with paper spreadsheets Problem with paper spreadsheets Creating spreadsheets manually is Creating spreadsheets manually is

tedioustedious Manual spreadsheets are prone to errorManual spreadsheets are prone to error Manual spreadsheets have to be Manual spreadsheets have to be

recalculated by hand if data changesrecalculated by hand if data changes

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Electronic SpreadsheetsElectronic Spreadsheets

A computerized version of a paper A computerized version of a paper spreadsheetspreadsheet One of the first, and most useful, application One of the first, and most useful, application

programs to be used on PCsprograms to be used on PCs Example: Microsoft EXCELExample: Microsoft EXCEL

BenefitsBenefits Eliminates much of the tediumEliminates much of the tedium Calculations are error-freeCalculations are error-free Worksheet is automatically recalculated when you Worksheet is automatically recalculated when you

change one value or calculationchange one value or calculation Performs “what-if” analysisPerforms “what-if” analysis

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Electronic SpreadsheetsElectronic Spreadsheets

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Spreadsheet FundamentalsSpreadsheet Fundamentals

Cells and cell addressesCells and cell addresses A cell is the intersection of a row and a columnA cell is the intersection of a row and a column Cell is known by its address: column letter, Cell is known by its address: column letter,

followed by row number, for example B7followed by row number, for example B7 Active cell - the cell available to be edited at a Active cell - the cell available to be edited at a

given timegiven time

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Spreadsheet FeaturesSpreadsheet Features

Width of columns and height of rows can be Width of columns and height of rows can be modifiedmodifiedHeadings can be created as a wide columnHeadings can be created as a wide columnNumbers can be formatted with the appropriate Numbers can be formatted with the appropriate symbols such as a percent signsymbols such as a percent sign The number of decimal places can be specifiedThe number of decimal places can be specified

There are a full range of printing optionsThere are a full range of printing options Margins can be changedMargins can be changed Worksheets can be printed in portrait or landscape Worksheets can be printed in portrait or landscape

orientationorientation

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Spreadsheet FeaturesSpreadsheet Features

SecuritySecurity Cells can be protected so the user doesn’t Cells can be protected so the user doesn’t

accidentally destroy complex formulasaccidentally destroy complex formulas Password protection can prevent anyone from Password protection can prevent anyone from

making changes to the worksheetmaking changes to the worksheet

DecorationDecoration Add borders or colors to cells or rangesAdd borders or colors to cells or ranges Change the color of fontsChange the color of fonts Add clip artAdd clip art

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A Problem For a SpreadsheetA Problem For a Spreadsheet

Planning/designing the spreadsheetPlanning/designing the spreadsheet

Making and testing a spreadsheetMaking and testing a spreadsheet

Changing the spreadsheetChanging the spreadsheet

Formatting and printingFormatting and printing

Creating a graph from spreadsheet dataCreating a graph from spreadsheet data

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Business GraphicsBusiness Graphics

Graphics that represent data Graphics that represent data in a visual, easily understood in a visual, easily understood formatformat

Generate and sustain interestGenerate and sustain interest Graphs easily reveal trends that Graphs easily reveal trends that

could be lost if buried in long could be lost if buried in long columns of numberscolumns of numbers

Two types:Two types: Analytical graphicsAnalytical graphics Presentation graphicsPresentation graphics

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Presentation Graphics ProgramsPresentation Graphics Programs

Allow you to do several tasksAllow you to do several tasks Edit and enhance charts created by other programsEdit and enhance charts created by other programs Create slides from scratchCreate slides from scratch

Slides can contain charts, diagrams, drawings, or textSlides can contain charts, diagrams, drawings, or text Use clip art that comes with the graphics programUse clip art that comes with the graphics program Create an animated presentationCreate an animated presentation Use small files to add sound to your presentationUse small files to add sound to your presentation

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Common Types of GraphsCommon Types of Graphs

Line graphsLine graphs

Bar graphsBar graphs

Pie chartsPie charts

Parts of a graphParts of a graph