Use a Spreadsheet
A spreadsheet, shown in Figure 18, can perform mathematical functions with any data arranged in columns and rows. By entering a simple equation into a cell, the program can perform operations in specific cells, rows, or columns.
Learn the Skill Each column (vertical) is assigned a letter, and each row (horizontal) is assigned a number. Each point where a row and column intersect is called a cell, and is labeled according to where it is located— Column A, Row 1 (A1).
Decide how to organize the data, and enter it in the correct row or column. Spreadsheets can use standard formulas or formulas can be customized to calculate cells.
To make a change, click on a cell to make it activate, and enter the edited data or formula.
Spreadsheets also can display your results in graphs. Choose the style of graph that best represents the data.
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