1. excel / 1 Electronic Spreadsheets What is an electronic spreadsheet or worksheet ? It is a Computer Software package which allows a user to Manipulate mainly NUMERIC data Develop formulae Define certain DATA TYPES Store and Retrieve Files (Spreadsheet and Graphs - also called Charts) Produce results in Text, or Graphics, or both forms Include security controls

2. excel / 2 Electronic Spreadsheets It is a Computer Software package which allows a user to Access BUILT-IN Functions Develop ‘Automatic’ programs known as Macros Present data and results in a MATRIX form Access a large number of Menu Options Access extensive built in Help facilities Create quick, accurate and representative numeric profiles of Business conditions and / or problems Rapidly amend both data and processing Join data from multiple spreadsheets Create simulations

3. excel / 3 Electronic Spreadsheets Prepare information for Management Decision Making processes Develop systems for Productivity gains Develop systems for Personal interests Import and Export data from other software such as Microsoft Word, Access, PowerPoint, CorelDRAW!, Harvard, WordPerfect, and a range of other software Some software: Lotus, Excel, Knowledgeman, Easycalc, Visicalc, AsEasyAs, Paradox.......

4. excel / 4 Electronic Spreadsheets Electronic Spreadsheets are ‘User Friendly’. The current software provides : Windows based software Multiple Tool Bars, Status bar, Function A Description of the current selected function Multiple Menu and Sub-Menu Options A wide range of Built in functions: Mathematical, Financial, Accounting, Engineering, Logical, Text Handling, Database, Statistical... =sum(range), =if(statement), =pmt(statement), etc Spellcheck

5. excel / 5 Electronic Spreadsheets Some Excel Formatting and Editing Facilities Color setting - text,diagrams, cell backgrounds Pattern settings Numeric editing - $, %,..0.00 + - ( ) Credits in Red Alignment of Text and Data in cells - Left, Centre, Right, Horizontal and Vertical Underlining, Italics, Bolding, Font Size, Font Styles Boxing and filling boxing

6. excel / 6 Electronic Spreadsheets File Security : Save, Save with Backup (always) Password Protection GLOBAL (total spreadsheet) and LOCAL Protection Multi User Access - Workgroups

7. excel / 7 Electronic Spreadsheets COLUMN ROW A B 12341234 This cell address is B3. The cell may also be named

8. excel / 8 Addressing ABSOLUTE Used to ‘fix’ an embedded address when this address is moved to another cell or cells as in cascade copy or move operations The format is (for example) $D$25 The cell reference will not alter when copied or moved from the current cell to another cell. Example: Cell B12 contains the formula =sum($D$25*A12). If this formula is copied to another cell, the $D$25 will NOT alter. The RELATIVE address A12 WILL ALTER.

9. excel / 9 Addressing Other Representations Column Reference Row Reference $D$25 will not change will not change $D25 will not change will change D$25 will change will not change D25 will change will change The F4 function key is used to change the mode

10. excel / 10 Editing Functions Used to highlight items in the body of a spreadsheet Regularly used features are: Justification of data in cells (Left, Right, Centre) Decimal Point placement (or no decimal) Definition of Numbers - % $, Credit, Insertion of Rows, Columns Deletion of Rows, Columns Upper and Lower case Text and Background color Boxing Underlining, double lining,

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