Handling Data Using Spreadsheets OCR Nationals ICT Level 1/Level 2 Unit 3 Handling Data Using Spreadsheets

During its life 1 million copies of VisiCalc were sold. It was first installed on Apple computers in 1979. It could handle 63 columns and 254 rows of data. The first spreadsheet for personal computers was called VisiCalc – and looked like this.

Today Microsoft Excel is installed on over 750 million personal computers. It can handle 16,384 columns and 1,048,576 rows of data. That means you could record the names’ of all the people in the world on one spreadsheet.

Preparing budgets and accounts Keeping pricing records Producing graphs Preparing budgets and accounts Keeping pricing records Stock Control In modern business spreadsheets are used for many applications. Analysing numerical data

If we make an electronic version of this we have created a spreadsheet Spreadsheets are designed to work with numbers. They are very good at complex maths. . and easy maths! In its simplest form you can think of a spreadsheet as a sheet of paper ruled into columns and rows 1 2 3 4 We could add letters to identify the columns and numbers in the rows, so that we can easily refer to the different blocks or ‘cells’ 5 15 If we make an electronic version of this we have created a spreadsheet

Use a spreadsheet to perform calculations In this unit you will learn how to . . . Use a spreadsheet to perform calculations Use functions to analyse your data Format your spreadsheet to make it easy to understand Use spreadsheets to predict the future Represent data in informative graphs Develop spreadsheets that meet the requirements of a business brief Validate, or check, that the data entered is in the right format

Handling Data Using Spreadsheets Unit 3 Handling Data Using Spreadsheets

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