<div class="raw-html-embed">
	<p>The <b>LOG</b> function is one of the <a href="../../docs/userguides/spreadsheet_editor/InsertFunction.aspx#mathtrigonometry" onclick="onhyperlinkclick(this)">math and trigonometry functions</a>. It is used to return the logarithm of a number to a specified base.</p>
	<h5 class="pt8">Syntax</h5>
	<p><b><em>LOG(number, [base])</em></b></p>
	<p>The <b>LOG</b> function has the following arguments:</p>
	<table>
		<tbody>
			<tr>
				<th style="background-color: #f4f4f4" width="150ch"><b>Argument</b></th>
				<th style="background-color: #f4f4f4"><b>Description</b></th>
			</tr>
			<tr>
				<td><b><em>number</em></b></td>
				<td>A numeric value for which you want to get the logarithm. It must be greater than 0.</td>
			</tr>
			<tr>
				<td><b><em>base</em></b></td>
				<td>The base used to calculate the logarithm of a number. It is an optional parameter. If it is omitted, the function will assume <b><em>base</em></b> to be 10.</td>
			</tr>
		</tbody>
	</table>

	<h5 class="pt8">Notes</h5>
	<p><a href="../../docs/userguides/spreadsheet_editor/InsertFunction.aspx#howtoapplyfunctions_block" onclick="onhyperlinkclick(this)">How to apply</a> the <b>LOG</b> function.</p>

	<h5 class="pt8">Examples</h5>
	<p>The figure below displays the result returned by the <b>LOG</b> function.</p>
	<p><img alt="LOG Function" src="https://static-helpcenter.onlyoffice.com/log_21e9a58e88.png"></p>
</div>

LOG function

Docs

Argument	Description
*number*	A numeric value for which you want to get the logarithm. It must be greater than 0.
*base*	The base used to calculate the logarithm of a number. It is an optional parameter. If it is omitted, the function will assume *base* to be 10.

LOG function

Syntax

Notes

Examples

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