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<a name="rounddown_h1"></a>ROUNDDOWN function</h1>
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<p id="par_id841641927277474" class="paragraph" dir="auto">Rounds down a number while keeping a specified number of decimal digits.</p>
<p id="par_id701642530512560" class="paragraph" dir="auto">This function is equivalent to the <a target="_top" href="en-US/text/scalc/01/func_trunc.html">TRUNC function</a>.</p>
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<div class="notetext"><p id="par_id321641927458888" dir="auto">The rounding method used by this function is known as <span class="emph">rounding towards zero</span>. The magnitude of the resulting number will always be less than or equal to the original number.</p></div>
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<span class="input" data-tooltip="Click on text to copy to clipboard">ROUNDDOWN(Number [; Count])</span>
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<p id="par_id11641927688319" class="paragraph" dir="auto"><span class="emph">Number:</span> The number to be rounded down.</p>
<p id="par_id861641927715672" class="paragraph" dir="auto"><span class="emph">Count:</span> Optional parameter that defines the number of decimal places to be kept. The default value is 0 (zero).</p>
<p id="par_id911641928545976" class="paragraph" dir="auto">Use negative values for <span class="emph">Count</span> to round the integer part of the original <span class="emph">Number</span>. For example, -1 will round down the first integer number before the decimal separator, -2 will round down the two integer numbers before the decimal separator, and so forth.</p>
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<div class="notetext"><p id="par_id181641929609906" dir="auto">In LibreOffice, the <span class="emph">Count</span> parameter is optional, whereas in Microsoft Excel this parameter is mandatory. When an ODS file contains a call to ROUNDDOWN without the <span class="emph">Count</span> parameter and the file is exported to XLS or XLSX formats, the missing argument will automatically be added with value zero to maintain compatibility.</p></div>
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<p id="par_id901641928192870" class="paragraph" dir="auto"><span class="input" data-tooltip="Click on text to copy to clipboard">=ROUNDDOWN(21.89)</span> returns 21. Note that this example uses the default value for <span class="emph">Count</span> which is 0.</p>
<p id="par_id901641928192110" class="paragraph" dir="auto"><span class="input" data-tooltip="Click on text to copy to clipboard">=ROUNDDOWN(103.37,1)</span> returns 103.3.</p>
<p id="par_id171641928456743" class="paragraph" dir="auto"><span class="input" data-tooltip="Click on text to copy to clipboard">=ROUNDDOWN(0.664,2)</span> returns 0.66.</p>
<p id="par_id641641928712287" class="paragraph" dir="auto"><span class="input" data-tooltip="Click on text to copy to clipboard">=ROUNDDOWN(214.2,-1)</span> returns 210. Note the negative value for <span class="emph">Count</span>, which causes the first integer value before the decimal separator to be rounded towards zero.</p>
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<div class="notetext"><p id="par_id161677014850199" dir="auto"><a target="_blank" href="https://wiki.documentfoundation.org/Documentation/Calc_Functions/ROUNDDOWN">ROUNDDOWN wiki page</a>.</p></div>
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