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Excel's Formula - sisman

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Figure 17-13: This chart plots the SIN(x).<br />

Chapter 17: Charting Techniques 451<br />

Figure 17-14 shows a general-purpose, single-variable plotting application. The data for the chart<br />

is calculated by a Data Table in columns I:J. Follow these steps to use this application:<br />

1. Enter a formula in cell B7. The formula should contain at least one x variable.<br />

In the figure, the formula in cell B7 is<br />

=SIN(PI() *x) * (PI() *x)<br />

2. Type the minimum value for x in cell B8.<br />

3. Type the maximum value for x cell B9.<br />

The formula in cell B7 displays the value of y for the minimum value of x. The Data Table, however,<br />

evaluates the formula for 200 equally spaced values of x, and these values appear in the<br />

chart.<br />

This workbook, named function plot 2D.xlsx, is available on the companion<br />

CD-ROM.

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