© boardworks ltd 2010 1 of 9 formulae. © boardworks ltd 2010 2 of 9 teacher’s notes included in...
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© Boardworks Ltd 20102 of 9
Teacher’s notes included in the Notes Page
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Functional Skills check
Student task accompanies this slide Printable activity
The advantages of using formulae in spreadsheets.
Techniques for using basic formulae.
Ways of linking to data in other spreadsheet files.
This lesson will cover:
© Boardworks Ltd 20103 of 9
Uses of spreadsheet formulae
A good knowledge of how to use spreadsheet formulae can save you lots of time and avoid frustration.
Are formulae and functions the same thing?
© Boardworks Ltd 20104 of 9
Entering formulae
At first glance, a spreadsheet may look like one big table. However, when you begin to add formulae to your datasheets, you begin to see the wide-ranging uses that spreadsheets have.
In this example, a formula has been entered into cell L2 to addup the total points scored by each pupil on a sports day.
The formula in this case is: =E2+G2+I2+K2
Note that a formula should always start with =
© Boardworks Ltd 20105 of 9
After typing in your formula, press enter to see the result. If you see #VALUE! in the cell it means there is a mistake in your formula.
Using operators
The arithmetic operators that are used within formulae are:
You may find it useful to use the right hand side keypad when entering formula. This part of the keyboard will only work if NumLock is on.
+ used for addition - used for subtraction* used for multiplication / used for division.
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Replicating formulae
Formulae can take some time to enter. To speed things up, you can replicate the formula into the required cells .
This process is known as filling:
Select the cell with the formula.Click and drag the bottom right-handcorner of the box until you haveselected all the cells you wish toadd the formula to.
You can also use the normal copy and paste commands ifyou prefer. Excel will automatically change the cellreferences so that: changes to:
This is called a relative cell reference.
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