1. Hoi Le

2. Dropdown list To create a dropdown list like in the figure on the right Hoi Le2

3. Dropdown list (cont’d) Step 1: create a major list Step 2: select that list, name it ValidMajors (by typing in the Address bar) Hoi Le3

4. Dropdown list (cont’d) Step 3: Select Major column Hoi Le4

5. Dropdown list (cont’d) Step 4: go to Data menu- >Data validation Step5: fill in all the tabs in Data Validation dialog box Hoi Le5

6. Dynamic chart The chart is automatically updated when data is changed You need: OFFSET function COUNTA function Hoi Le6

7. Dynamic chart (cont’d) Create values for the y-axis Choose Formulas->Define Names Create new variable: Name: Temps Values: = OFFSET(dynCharts1!$A$2,0,0,COUNTA($A:$A)-1,0) Create values the x-axis Define another name Name: Months Values: = OFFSET(dynCharts1!$A$2,0,1,COUNTA($B:$B)-1,0) Hoi Le7

8. Dynamic chart (cont’d) Create a dynamic chart: Create an empty chart Right click on the chart => Choose Select data Click on Add button: Series Name: =$B$1 Series Values: = dynCharts1!Temps Click on OK Click on Edit (Horizontal Axis Labels) Axis label range: = = dynCharts1!Months Hoi Le8

9. Dynamic chart (cont’d) Test the dynamic chart Insert new temperature for new month: June: 10 July: 15 … Observe the change in the chart Hoi Le9

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