2. Welcome to CMPE003 Personal Computers: Hardware and Software Dr. Chane Fullmer Fall 2002 UC Santa Cruz

3. November 15, 2002 2 Exams Exams now on-line….. http://www.cse.ucsc.edu/classes/cmpe003/Fall02/ Must have your own Scantron form to determine test version you took

4. November 15, 2002 3 Assignments Assignment #6 – The Last One Due November 22, 2002 1 week from today…don’t be late.. Using Spreadsheets – (M$ Excel) Generate a personal monthly budget spreadsheet http://www.soe.ucsc.edu/classes/cmpe003/Fall02/hw6_spreadsheet.html

5. November 15, 2002 4 Peer web pages…….. Web pages from assignment #3/4.. http://people.ucsc.edu/~acortez http://people.ucsc.edu/~swells http://people.ucsc.edu/~emccabe

6. Spreadsheets and Business Graphics: Facts and Figures Chapter 13

7. November 15, 2002 6 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

8. November 15, 2002 7 Why Use Spreadsheets? Plan ahead (What if) Make the computer do the work See the results of change

9. November 15, 2002 8 The Nature of Spreadsheets Use numbers to track performance Manual Tedious Time-consuming Error-prone Electronic spreadsheets Automate Increase ability to track performance

10. November 15, 2002 9 Electronic Spreadsheets VisiCalc First electronic spreadsheet program 1979 Apple II microcomputer Computer becomes an indispensable tool for financial analysis

11. November 15, 2002 10 Electronic Spreadsheets Labor Saving Automatic recalculation Change one value All dependent values are recalculated A single change can affect many calculations

12. November 15, 2002 11 Electronic Spreadsheets Labor 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 (or decreases) by.5%?

13. November 15, 2002 12 Working with Spreadsheets Plan your inputs & outputs Create sheet based on your plan Edit and proofread as needed Format columns/rows Print Add graphics Provide data security – password, protect

14. November 15, 2002 13 Working with Spreadsheets The plan… …The result

15. November 15, 2002 14 Electronic Spreadsheets How 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

16. November 15, 2002 15 Electronic Spreadsheets Fundamentals Screen Window into the spreadsheet Scroll using mouse or cursor-movement keys Rows and columns Row – number Column – letters

17. November 15, 2002 16 Electronic Spreadsheets Fundamentals 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

18. November 15, 2002 17 Cell Contents Label Descriptive text about entries Not used for calculations Value Number May be used in calculations

19. November 15, 2002 18 Cell Contents Formula 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

20. November 15, 2002 19 Cell Contents Functions Pre-programmed formulas Used in formulas in place of operators Common SUM AVERAGE COUNT MIN MAX

21. November 15, 2002 20 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

22. November 15, 2002 21 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

23. November 15, 2002 22 Formatting Features Decoration Borders Color Clip art Business graphics Shows words and numbers in visual form Quickly and easily understood

24. November 15, 2002 23 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

25. November 15, 2002 24 Business Graphics Analytical graphics View and analyze data Presentation graphics Make a positive impression during a presentation Enhance charts Animation Sound

26. November 15, 2002 25 Analytical Graphics Analysis-oriented Graphics Help users analyze and understand data Line Bar Pie

27. November 15, 2002 26 Line Graphs Shows trends or cycles over time Axis Plot area Data point Labels Titles

28. November 15, 2002 27 Bar Graphs Comparisons Rectangular area up to the height of the point being plotted Easy to absorb

29. November 15, 2002 28 Pie Charts Proportions Relationship between parts and whole One time period Exploded pie chart One wedge pulled slightly away from the pie

30. November 15, 2002 29 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

31. November 15, 2002 30 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

32. November 15, 2002 31 Presentation Graphics --- Business-quality Graphics Hardware High-resolution color monitor Color printer Ability to project computer slides on a screen

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