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By Paige
20/05/2013 1
Unit 27 Spreadsheets
27_1 Explaining Spreadsheets
Paige Shirley

 Spreadsheet is a document which is divided into rows and columns to
record such things as items in inventory, income and expenses, debits
and credits. Spreadsheets are designed to ease the management of
numbers and calculations. They calculate totals, averages, percentages,
budgets, and complex financial and scientific formulas.
 This is a sample of
a spreadsheet -
20/05/2013
Paige Shirley 2

 Spreadsheets are used by many people for many
things. It can make graphs and tables, it makes
everything easier.
 Here is a list of a few people who use spreadsheets:
 Engineers
 Bankers/Accountants
 Supermarkets
 Teachers
 Scientists
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Paige Shirley 3

 Engineers need to perform thousands of
calculations when designing bridges,
buildings, aeroplanes, cars etc.
 They need to make sure that bridges will
be able to support themselves and will not collapse under the weight of
traffic or the force of strong winds. They need to work out how deep the
foundations of a house need to be in order to support the walls and roof.
 Engineers use spreadsheets for many reason for
example to record test data, present test data, perform
calculations and many more.
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Paige Shirley 4

 Supermarkets use spreadsheets to keep
track of finances i.e. sales, losses and
money spent.
 They also use spreadsheets to work
out queuing times and what are the
best number of checkouts to have
open at any one time during the day.
 The might have a list of customers with a club card, and the products
they purchase. They might Use it to locate other
stores with phone numbers, etc. Or where they
can find other stock.
 List of suppliers with details? When they will
begin to sell other products. What days they are
open, With are their most popular times.
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Paige Shirley 5

 Scientists need to be able to keep track
of their results from experiments.
 They use spreadsheets to help them to
analyse what happened with the
experiment and also to predict what
might happen if they were to change
one variable.
 Scientists use spreadsheets to track
scientific results, chemicals etc. They
also use them for data analysis, and to
compare results. Which helps them
draw up a conclusion on what might
happen.
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Paige Shirley 6

 Accountants need to keep track of all of the
money coming into the business and all of the
payments going out.
 They need to be able to calculate profits and
forecast how well they think the business will
do during the next year.
 They also need to calculate the wages of all the
staff each month.
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Paige Shirley 7

 Teachers used spreadsheets for many
things it can be used for teaching or
to keep track of your students grades.
 They use spreadsheets to create tables
on attendance, what classes they have
on what day. The best thing about using
spreadsheets is that they can add up
the numbers at the end of every
year and compare them to other years.
 Using spreadsheets is good for teachers
because the program adds up your
number and can turn them in to
percentages for you, leaving you with less
work to do.
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Paige Shirley 8

 A spreadsheet can be converted in to
many types of files:
 PDF – If you want to put your Spreadsheet
to be viewed but not
changed, PDF allows it to be
viewed by other but not
edited.
 HTML – If you want to put your
spreadsheet online, HTML allows it to be
viewed by other but not edited.
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Paige Shirley 9

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