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<!DOCTYPE html>
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<title>ERF Function</title>
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<h1>ERF Function</h1>
<p>The <b>ERF</b> function is one of the engineering functions. It is used to calculate the error function integrated between the specified lower and upper limits.</p>
<p>The <b>ERF</b> function syntax is:</p>
<p style="text-indent: 150px;"><b><em>ERF(lower-bound [, upper-bound])</em></b></p>
<p><em>where</em></p>
<p style="text-indent: 50px;"><b><em>lower-bound</em></b> is the lower limit of integration.</p>
<p style="text-indent: 50px;"><b><em>upper-bound</em></b> is the upper limit of integration. It is an optional argument. If it is omitted, the function will calculate the error function integrated between 0 and <b><em>lower-bound</em></b>.</p>
<p>The numeric values can be entered manually or included into the cell you make reference to.</p>
<p>To apply the <b>ERF</b> function,</p>
<ol>
<li>select the cell where you wish to display the result,</li>
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<li>click the <b>Insert function</b> <div class = "icon icon-insertfunction"></div> icon situated at the top toolbar,
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<br />or right-click within a selected cell and select the <b>Insert Function</b> option from the menu,
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<br />or click the <div class = "icon icon-function"></div> icon situated at the formula bar,
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</li>
<li>select the <b>Engineering</b> function group from the list,</li>
<li>click the <b>ERF</b> function,</li>
<li>enter the required arguments separating them by commas,</li>
<li>press the <b>Enter</b> button.</li>
</ol>
<p>The result will be displayed in the selected cell.</p>
<p style="text-indent: 150px;"><img alt="ERF Function" src="../images/erf.png" /></p>
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