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ICT Homework Zak Barwell

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Spreadsheets A computer program used chiefly for accounting, in which figures are arranged in the rows and columns of a grid. Spreadsheets are used mostly for math calculations and some basic database functions and for creating graphs and charts.

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Worksheets A worksheet is an object in a spreadsheet program that consists primarily of a grid of cells, organized in rows and column, in which spreadsheet calculations and information are held. A file saved by a spreadsheet program may consist of many worksheets.

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Cell A memory location in a spreadsheet identified by its row and column coordinates and that is used to store labels, numbers, formulas, or instructions.

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Row In a spreadsheet the ROW is defined as the horizontal space that is going across the window. Numbers are used to designate each ROW'S location.

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Column A column is the vertical, up and down, group of boxes. Those boxes are called cells. The group of boxes that go left and right are called rows.

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Formula Formulas in spreadsheet programs such as Excel are used to perform calculations. Formulas can range from basic mathematical operations - such as addition and subtraction - to complex engineering and statistical calculations. In programs such as Excel, Open Office Calc, and Google Docs Spreadsheets, formulas begin with an equal ( = ) sign and, for the most part, they are entered into to the worksheet cell(s) where we want the results or answer to appear.

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Formulas

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Function Function can be used for calculations in a spreadsheet. A simple example of a function is for adding a column of numbers. EXAMPLE: You have a column of 23 numbers in column B, from row 1 to row 23. To add all of those numbers, and display the results in cell B24, enter =SUM(B1:B23) in cell B24.

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Macro An Excel macro is a set of instructions that can be triggered by a keyboard shortcut, toolbar button or an icon in a spreadsheet. Macros are used to eliminate the need to repeat the steps of common tasks over and over.

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Conditional Formatting Adding conditional formatting to a cell in Excel allows you to apply different formatting options, such as colour, to a cell or cells based on the data in the cell(s).

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Locking Cells There's pretty much just two reasons for locking cells: To restrict entry (locked cells may not be changed) To allow tabbing to different cells for entry (unlocked cells can be tabbed through)

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