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Computers:Computers:Tools for an Information AgeTools for an Information Age

Chapter 12Chapter 12Spreadsheets and Business Graphics:Spreadsheets and Business Graphics:

Facts and FiguresFacts and Figures

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ObjectivesObjectives

Describe the advantages of spreadsheetsDescribe the advantages of spreadsheets

List several applications for spreadsheetsList several applications for spreadsheets

Explain the underlying principles of Explain the underlying principles of electronic spreadsheet useelectronic spreadsheet use

Describe how to set up and modify a Describe how to set up and modify a spreadsheetspreadsheet

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ObjectivesObjectives

Describe the advantages of business Describe the advantages of business graphicsgraphics

Differentiate between analytical graphics Differentiate between analytical graphics and presentation graphicsand presentation graphics

Identify the elements of standard charts Identify the elements of standard charts and graphsand graphs

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The Nature of SpreadsheetsThe Nature of Spreadsheets

Spreadsheets organize Spreadsheets organize data in rows and data in rows and columnscolumns Creating spreadsheets Creating spreadsheets

manually is tediousmanually is tedious Manual spreadsheets are Manual spreadsheets are

prone to errorprone to error Manual spreadsheets Manual spreadsheets

have to be recalculated have to be recalculated by hand if data changesby hand if data changes

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Electronic SpreadsheetsElectronic Spreadsheets

A computerized version of A computerized version of a paper spreadsheet a paper spreadsheet BenefitsBenefits Eliminates much of the Eliminates much of the

tediumtedium Calculations are error-freeCalculations are error-free Worksheet is automatically Worksheet is automatically

recalculated when you recalculated when you change one value or change one value or calculationcalculation

Performs “Performs “what-if” analysiswhat-if” analysis

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Spreadsheet FundamentalsSpreadsheet Fundamentals

Cells and cell addressesCells and cell addresses

Contents of cellsContents of cells

RangesRanges

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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 the spreadsheetPlanning the spreadsheet

Making a first draftMaking a first draft

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