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Look at the example below, a skeleton of a hotel booking system.
We will now look at how to add formulas. When you type in a formulae you must always place an = equals sign at the start.
The first formulae will multiply two numbers together to work out the total it will cost a family. This calculation is:-
(PRICE OF ACCOMMODATION x NO. OF GUESTS) x 7 = TOTAL COST FOR 7 DAYS
The formulae for this is =(E2*F2)*7
To do this you would:
1) Type this formula =(E2*F2)*7 in cell G2. (see picture at top of this page - arrow 1)
2) Press Enter
3) To copy this down the column you first click once on the formulae, which has changed to £700 and click on the Copy button on the toolbar.
4) Now highlight all the empty cells (your cursor must change to a + cross first) where you would like the total to be calculated.
5) Click the Paste button on the tool bar.
To work out the profit you would:-
1) Click on an empty cell in column G.
2) Then type:- =SUM(G2:G9) (see picture at top of this page - arrow 2)
3) Press Enter.
4) Another way to do this is to highlight the whole column and the next empty
cell and then click on the AutoSum
button. (see picture at top of this page -
arrow 3)
5) Press Enter.
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