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Spreadsheets and Business Graphics: Facts and Figures Chapter 13 Objectives Describe the advantages of spreadsheets List several applications for spreadsheets Explain the underlying principles of electronic spreadsheet use Describe how to set up and modify a spreadsheet

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objectives
Objectives
  • Describe the advantages of spreadsheets
  • List several applications for spreadsheets
  • Explain the underlying principles of electronic spreadsheet use
  • Describe how to set up and modify a spreadsheet
  • Describe the advantages of business graphics
  • Differentiate between analytical and presentation graphics
  • Name the elements of standard charts and graphs
contents
Contents
  • Why Use Spreadsheets?
  • Working with Spreadsheets
  • Business Graphics
  • Analytical Graphics
  • Presentation Graphics
why use spreadsheets
Why Use Spreadsheets?
  • Plan ahead (What if)
  • Make the computer do the work
  • See the results of change
the nature of spreadsheets
The Nature of Spreadsheets
  • Use numbers to track performance
  • Manual
    • Tedious
    • Time-consuming
    • Error-prone
  • Electronic spreadsheets
    • Automate
    • Increase ability to track performance
electronic spreadsheets
Electronic Spreadsheets

VisiCalc

  • First electronic spreadsheet program
  • 1979
  • Apple II microcomputer
  • Computer becomes an indispensable tool for financial analysis
electronic spreadsheets labor saving
Electronic SpreadsheetsLabor Saving

Automatic recalculation

  • Change one value
  • All dependent values are recalculated
  • A single change can affect many calculations
electronic spreadsheets labor saving8
Electronic SpreadsheetsLabor Saving

“What If” Analysis

The process of changing one or more spreadsheet values and observing the resulting calculated effect

What if we reduce the price by 5%?

What if we buy a home and the mortgage rate increases by .5%?

working with spreadsheets
Working with Spreadsheets
  • Plan
  • Create
  • Edit and proofread
  • Format
  • Print
  • Add graphics
  • Provide data security – password, protect
working with spreadsheets10
Working with Spreadsheets

The plan…

…The result

electronic spreadsheets how it works
Electronic SpreadsheetsHow it Works
  • Enter data and calculations
  • Electronic spreadsheet automatically performs the calculations
  • Error-free results are displayed on the spreadsheet
  • Print
  • Store to be used again
electronic spreadsheets fundamentals
Electronic SpreadsheetsFundamentals
  • Screen
    • Window into the spreadsheet
    • Scroll using mouse or cursor-movement keys
  • Rows and columns
    • Row – number
    • Column – letters
electronic spreadsheets fundamentals13
Electronic SpreadsheetsFundamentals
  • Cell
    • Junction of a row and column
    • Cell address (cell reference) – letter and number
  • Active cell (current cell)
    • Highlighted with border or reverse video
    • Can enter or edit data in active cell only
cell contents
Cell Contents
  • Label
    • Descriptive text about entries
    • Not used for calculations
  • Value
    • Number
    • May be used in calculations
cell contents formula
Cell ContentsFormula
  • Calculation instruction
  • Contains
    • Cell address
    • One or more arithmetic operators
    • Functions
  • Result appears in the cell containing the formula
  • Calculation appears in the formula bar
cell contents functions
Cell ContentsFunctions
  • Pre-programmed formulas
  • Used in formulas in place of operators
  • Common
    • SUM
    • AVERAGE
    • COUNT
    • MIN
    • MAX
cell ranges
Cell Ranges
  • Group of one or more adjacent cells occurring in a rectangular shape
  • Treated as a unit during an operation
  • Indicate the upper-left and lower-right cells of the block
  • May be referenced in a formula or function
formatting features
Formatting Features
  • Column width
  • Row height
  • Headings
  • Number styles – commas, number of decimals, dollar and percent signs
  • Appearance of data
    • Justification
    • Text font and style
formatting features19
Formatting Features
  • Decoration
    • Borders
    • Color
    • Clip art
  • Business graphics
    • Shows words and numbers in visual form
    • Quickly and easily understood
business graphics
Business Graphics
  • Generate and sustain the interest of an audience
  • Make a lesson, report, or business document more attractive
  • Help get a point across
  • Can reveal a trend that is lost in a column of numbers
  • Presenter appears more prepared and organized
business graphics21
Business Graphics

Analytical graphics

View and analyze data

Presentation graphics

Make a positive impression during a presentation

analytical graphics analysis oriented graphics
Analytical GraphicsAnalysis-oriented Graphics

Help users analyze and understand data

Line

Bar

Pie

line graphs
Line Graphs

Shows trends or cycles over time

  • Axis
  • Plot area
  • Data point
  • Labels
  • Titles
bar graphs
Bar Graphs
  • Comparisons
  • Rectangular area up to the height of the point being plotted
  • Easy to absorb
pie charts
Pie Charts
  • Proportions

Relationship between parts and whole

  • One time period
  • Exploded pie chart

One wedge pulled slightly away from the pie

presentation graphics business quality graphics
Presentation Graphics Business-quality Graphics
  • Look like preparation by professional graphic artist
    • Charts
    • Graphs
    • Visual aids
  • Control the appearance when you create it
  • Produce graphics faster
  • Make last-minute changes
presentation graphics business quality graphics27
Presentation Graphics Business-quality Graphics
  • Edit and enhance charts created by other programs
  • Create charts, diagrams, drawing, and text slides
  • Use clip art
  • Support animated effects
  • Add sounds
presentation graphics business quality graphics28
Presentation Graphics Business-quality Graphics

Hardware

  • High-resolution color monitor
  • Color printer
  • Ability to project computer slides on a screen
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