2. Welcome to CMPE003 Personal Computer Concepts: Hardware and Software Winter 2003 UC Santa Cruz Instructor: Guy Cox

3. January 23, 20032 Assignments Assignment #6 – The Last One  Due March 12, 2003 Spreadsheets – (MS Excel)  Generate a monthly budget spreadsheet http://www.soe.ucsc.edu/classes/cmpe003/Winter03/hw6_spreadsheet.htm l

4. January 23, 20033 Final Project Due no later than March 19, 2003  You can turn in earlier.. Power Point presentation  4 pages  Extra points for special effects, animations Turn in on a floppy/CDROM http://www.soe.ucsc.edu/classes/cmpe003/Winter03/finalproject.html

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

6. January 23, 20035 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

7. January 23, 20036 Why Use Spreadsheets? Plan ahead (What if) Make the computer do the work See the results of change

8. January 23, 20037 The Nature of Spreadsheets Use numbers to track performance Manual  Tedious  Time-consuming  Error-prone Electronic spreadsheets  Automate  Increase ability to track performance

9. January 23, 20038 Electronic Spreadsheets VisiCalc First electronic spreadsheet program 1979 Apple II microcomputer Computer becomes an indispensable tool for financial analysis

10. January 23, 20039 Electronic Spreadsheets: Labor Saving Automatic recalculation Change one value All dependent values are recalculated A single change can affect many calculations

11. January 23, 200310 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%?

12. January 23, 200311 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

13. January 23, 200312 Working with Spreadsheets The plan… …The result

14. January 23, 200313 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

15. January 23, 200314 Electronic Spreadsheets: Fundamentals Screen  Window into the spreadsheet  Scroll using mouse or cursor-movement keys Rows and columns  Row – number  Column – letters

16. January 23, 200315 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

17. January 23, 200316 Cell Contents Label  Descriptive text about entries  Not used for calculations Value  Number  May be used in calculations

18. January 23, 200317 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

19. January 23, 200318 Cell Contents: Functions Pre-programmed formulas Used in formulas in place of operators Common  SUM  AVERAGE  COUNT  MIN  MAX

20. January 23, 200319 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

21. January 23, 200320 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

22. January 23, 200321 Formatting Features Decoration  Borders  Color  Clip art Business graphics  Shows words and numbers in visual form  Quickly and easily understood

23. January 23, 200322 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

24. January 23, 200323 Business Graphics Analytical graphics View and analyze data Presentation graphics Make a positive impression during a presentation  Enhance charts  Animation  Sound

25. January 23, 200324 Analytical Graphics: Analysis-oriented Graphics Help users analyze and understand data Line Bar Pie

26. January 23, 200325 Line Graphs Shows trends or cycles over time Axis Plot area Data point Labels Titles

27. January 23, 200326 Bar Graphs Comparisons Rectangular area up to the height of the point being plotted Easy to absorb

28. January 23, 200327 Pie Charts Proportions Relationship between parts and whole One time period Exploded pie chart One wedge pulled slightly away from the pie

29. January 23, 200328 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

30. January 23, 200329 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

31. January 23, 200330 Presentation Graphics: Business Quality Graphics Hardware High-resolution color monitor Color printer Ability to project computer slides on a screen

32. January 23, 200331