1. Why do we use Excel? What is it? Row Cell Column

2. Formula What is formula? How do we use formula? A formula is to calculate numbers in cells. You need to write them in the formula bar.

3. Formula LEARN THEM ALWAYS START WITH =sum

4. + Addition With 2 cells =sum(B2+C2) With more than 2 cells =sum(B2+C2+D2+E2) Quicker way =sum(B2:E2)

5. - Subtraction =sum(B2-C2)

6. x Multiplication =sum(A3*D4)

7. : Division =sum(A5/C6)

8. % Percentage To subtract percentage =A5*(1-35%) To add percentage =C5*(1+35%)

9. Practice 1. Open Excel. 2. Click on File. 3. Click on Open. 4. Click on Student common. 5. Click on Bronze 2009 or VLE. 6. Click on Formula. 7. Do the work.

10. Practice Type the information. Type the formula in the coloured cell.

11. Practice