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		<title>GAMMAINV Function</title>
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			<h1>GAMMAINV Function</h1>
			<p>The <b>GAMMAINV</b> function is one of the statistical functions. It is used to return the inverse of the gamma cumulative distribution.</p>
			<p>The <b>GAMMAINV</b> function syntax is:</p> 
			<p style="text-indent: 150px;"><b><em>GAMMAINV(probability, alpha, beta)</em></b></p> 
            <p><em>where</em></p> 
            <p style="text-indent: 50px;"><b><em>probability</em></b> is the probability associated with the gamma distribution. A numeric value greater than 0 but less than 1.</p>
            <p style="text-indent: 50px;"><b><em>alpha</em></b> is the first parameter of the distribution, a numeric value greater than 0.</p>
            <p style="text-indent: 50px;"><b><em>beta</em></b> is the second parameter of the distribution, a numeric value greater than 0. If <b><em>beta</em></b> is 1, the function returns the standard gamma distribution.</p>
            <p>The values can be entered manually or included into the cells you make reference to.</p>
			<p>To apply the <b>GAMMAINV</b> function,</p>
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			<li>select the cell where you wish to display the result,</li>
			<li>click the <b>Insert function</b> <img alt="Insert function icon" src="../images/insertfunction.png" /> icon situated at the top toolbar,
				<br />or right-click within a selected cell and select the <b>Insert Function</b> option from the menu,
				<br />or click the <img alt="Function icon" src="../images/function.png" /> icon situated at the formula bar,
			</li>
			<li>select the <b>Statistical</b> function group from the list,</li>
			<li>click the <b>GAMMAINV</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="GAMMAINV Function" src="../images/gammainv.png" /></p>
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