2. SPREADSHEETS Chapter 3 By Michael & Russell

3. What are Spreadsheets used for? SIMPLE CALCULATIONS SIMPLE CALCULATIONS (shop’s weekly profits) COMPLEX CALCULATIONS COMPLEX CALCULATIONS (world-wide business finances) (world-wide business finances)

4. What is a Spreadsheet? A sheet divided into columns & rows A sheet divided into columns & rows Every box on the sheet is known as a cell Every box on the sheet is known as a cell Each cell has a its own reference e.g. C6 or F2. Each cell has a its own reference e.g. C6 or F2. COLUMN E CELL A1 ROW 6

5. NUMBER TEXT FORMULA What is a Spreadsheet? Cells can contain numbers (values) numbers (values) text text formulae formulae They can show the effects of changing events - ‘what if’ situations

6. Features of Spreadsheets Spreadsheets have the features common to all GPPs and many more: Formulae (=B6*C9) Formulae (=B6*C9) Formatting (column width & alignment) Formatting (column width & alignment) Insert rows & columns Insert rows & columns Simple charting Simple charting Cell Attributes (decimal places) - G Cell Attributes (decimal places) - G Cell Protection (contents stay unchanged) - G Cell Protection (contents stay unchanged) - G Replication (copying) - G Replication (copying) - G

7. Features of Spreadsheets Simple Formulae Simple Formulae Simple Functions Simple Functions Calculations Calculations Complex Functions Complex Functions Charting Charting Conditions Conditions Referencing Referencing (+, -, x, ÷) (SUM) (automatic & manual) (AVERAGE,MAX, MIN) – G (pie charts, bar graphs) - C (IF) - C (relative & absolute) - C

8. Bar Chart Charting Spreadsheet information can easily be converted into a chart. Types of chart are a pie chartpie chart bar chartbar chart line graph.line graph.

9. Conditional Function This has 3 parts IF (condition, true action, false action) Part 1: this will check cell(s) to see if the condition is met e.g. B4 > H5). Part 2: Action to carry out if condition is met e.g. display “Pass” or calculate 10% of B4. Part 3: Action to carry out if condition is not met e.g. display “Fail” or calculate 5% of B4.

10. Referencing RELATIVE REFERENCING copies the formula relative to the original one i.e. the formula changes to suit the new cell copies the formula relative to the original one i.e. the formula changes to suit the new cell e.g. B7*$B$2 becomes B8*$B$2 then B9*$B$2 e.g. B7*$B$2 becomes B8*$B$2 then B9*$B$2 ABSOLUTE REFERENCING cell references remain the same when copied. cell references remain the same when copied. A $ sign is added to the formula e.g. B7*$B$2 stays at B8*$B$2 and B9*$B$2 etc. A $ sign is added to the formula e.g. B7*$B$2 stays at B8*$B$2 and B9*$B$2 etc. Credit Formula =B7*$B$2

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