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<h1 id="hd_id371535153017185">
<a name="detailed_heading"></a>Detailed Calculation Settings</h1>
<p id="par_id461535153017196" class="paragraph"><a name="variable%20name"></a><span class="avis">Sets the rules for conversion from strings values to numeric values, string values to cell references, and strings values to date and time values. This affects built-in functions such as INDIRECT that takes a reference as a string value or date and time functions that takes arguments as string values in local or ISO 8601 formats.</span></p>
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<div><p class="howtogetheader"><a name="wie"></a>To access this command...
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<p id="par_id2752992" class="paragraph"><a name="sam01"></a>Menu <span id="swlnsysidm33" class="switchinline"><span hidden="true" id="MACidm34" class="MAC"><span class="emph">LibreOffice - Preferences</span></span><span hidden="true" id="defaultidm36"><span class="emph">Tools - Options</span></span></span><span class="emph"> - LibreOffice Calc - Formula</span>, and in section <span class="emph">Detailed Calculation Settings</span> press <span class="emph">Details...</span> button.</p>
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<h2 id="par_id4238715">Contents to Numbers</h2>
<h3 id="par_id8277230">Conversion from text to number</h3>
<p id="par_id396740" class="paragraph">How to treat text when encountered as operand in an arithmetic operation or as argument to a function that expects a number instead. Unambiguous conversion is possible for integer numbers including exponents and ISO 8601 dates and times in their extended formats with separators. Fractional numeric values with decimal separators or dates other than ISO 8601 are locale dependent. Note that in locale dependent conversions the resulting numeric value may differ between locales!</p>
<p id="par_id4086428" class="paragraph"><span class="emph">Generate #VALUE! error:</span> Text found where numeric data is expected will generate #VALUE! error. Example: <span class="input" data-tooltip="Click on text to copy to clipboard">"123.45"</span> will generate a #VALUE! error, while <span class="input" data-tooltip="Click on text to copy to clipboard">123.45</span> not.</p>
<p id="par_id9024628" class="paragraph"><span class="emph">Treat as zero:</span> Any text found where numeric data is expected will be considered as a number of value zero. Example: <span class="input" data-tooltip="Click on text to copy to clipboard">"123.45"</span> will map to zero, while <span class="input" data-tooltip="Click on text to copy to clipboard">123.45</span> not.</p>
<p id="par_id3067110" class="paragraph"><span class="emph">Convert only if unambiguous:</span> If the text represents a valid and unambiguous numeric value, convert it. Example: <span class="input" data-tooltip="Click on text to copy to clipboard">"123.456"</span> will generate a #VALUE! error because the text contains a separator, while <span class="input" data-tooltip="Click on text to copy to clipboard">"123456"</span> will not.</p>
<p id="par_id8841822" class="paragraph"><span class="emph">Convert also locale dependent:</span> convert values valid in the locale representation. Example: <span class="input" data-tooltip="Click on text to copy to clipboard">"123,45"</span> is a valid number in some locales because the comma is the decimal separator there.</p>
<h3 id="par_id4077578">Treat empty string as zero</h3>
<p id="par_id9094515" class="paragraph">This option determines how an empty string is treated when used in arithmetic operations. If you have set "Conversion from text to number" to either "Generate #VALUE! error" or "Treat as zero", you cannot choose (here) if conversion of an empty string to a number will generate an error or if it will treat empty strings as zero. Otherwise this option determines how empty strings are treated.</p>
<h3 id="par_id3859675">Reference syntax for string reference</h3>
<p id="par_id402233" class="paragraph">Formula syntax to use when parsing references given in string parameters. This affects built-in functions such as INDIRECT that takes a reference as a string value.</p>
<ul>
<li>
<p id="par_id1623889" class="listitem"><span class="emph">Use formula syntax</span></p>
</li>
<li>
<p id="par_id7781914" class="listitem"><span class="emph">Calc A1</span></p>
</li>
<li>
<p id="par_id300912" class="listitem"><span class="emph">Excel A1</span></p>
</li>
<li>
<p id="par_id9534592" class="listitem"><span class="emph">Excel R1C1</span></p>
</li>
<li>
<p id="par_id811567770857290" class="listitem"><span class="emph">Calc A1 | Excel A1</span></p>
</li>
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<p class="related" itemprop="mentions"><a name="related"></a><span class="emph">Related Topics</span>
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<p id="par_id191535211862982" class="paragraph"><a target="_top" href="en-US/text/scalc/01/04060102.html">Date and time functions</a></p>
<p id="par_id261535211868627" class="paragraph"><a target="_top" href="en-US/text/scalc/01/04060109.html#Section6">INDIRECT function</a></p>
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