1. .ZIP files Used to compress file sized – Compress: make smaller Used to keep files together

2. .ZIP files To uncompress a.zip file: – Right click and drag to where you want them – Select “Extract” To create a.zip file: – Select all files to be.zip’ed – Right click  Send to  Compressed (zipped) folder

3. .ZIP exercise Go to My Computer  C:  PSSendFile Unzip the 2.zip files there All class work will be in these folders.

4. Formulae Basics + to add -to subtract / to divide * to multiply % to make a percentage = to make equals

5. Formulae Basics 2 ( ) Brackets are the first priority / Division is next * Multiplication + Addition and finally Subtraction is the last priority

6. Formulae with Cell Reference Cell names can be used as variables. C1=3 D1=4 E1=5 Select F1; input in the formula bar “=(C1+D1)/E1”

7. Adding Cell Names Automatically You don’t have to type every one Click!

8. Drag Handles and Formulae You can drag formulae as well as numbers Cell references will automatically change

9. Functions Pre-set formulae SUM function – adds up a column =A1+A2+A3+A4 =SUM(A1:A4) (A1:A4) is called a range

10. Personal Expenses 2, Concluded Select cell B10 In the forumla bar: =SUM(B4:B9)

11. AutoSum Select cell C10 Click the AutoSum button (Sigma button) The AutoSum Button

12. Personal Expenses 3 Please go to My Computer  PSSendFile Open “Personal Expenses 3” and follow the instructions.

13. Accessing Other Functions In the toolbar, press f x button Check the menu and explanations

14. Other Common Functions AVERAGE MIN MAX IF/THEN

15. AVERAGE Simply finds the average Formula format =AVERAGE(A1:A10)

16. MIN Finds the minimum number in a range Formula format =MIN(A1:A10)

17. MAX Finds the highest number in a range Formula format =MAX(A1:A10)

18. IF/THEN Returns different values depending on the true/false situation Formula Format: =IF(G10>5351,"Warning Over Budget","OK Under Budget")

19. Personal Expenses 4 You know what to do…

20. Groceries Exercise Again!

21. International Academy Exercise Just one more! This one will be collected and graded. Follow all instructions carefully!