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diff --git a/helpcontent2/source/text/sbasic/shared/03080202.xhp b/helpcontent2/source/text/sbasic/shared/03080202.xhp new file mode 100644 index 000000000..3d8c819d3 --- /dev/null +++ b/helpcontent2/source/text/sbasic/shared/03080202.xhp @@ -0,0 +1,69 @@ +<?xml version="1.0" encoding="UTF-8"?> +<helpdocument version="1.0"> +<!-- + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . +--> + +<meta> + <topic id="textsbasicshared03080202xml" indexer="include" status="PUBLISH"> + <title id="tit" xml-lang="en-US">Log Function</title> + <filename>/text/sbasic/shared/03080202.xhp</filename> + </topic> +</meta> + +<body> + + +<section id="log"> +<bookmark xml-lang="en-US" branch="index" id="bm_id3149416"> + <bookmark_value>Log function</bookmark_value> +</bookmark> + + +<paragraph id="hd_id3149416" role="heading" level="1" xml-lang="en-US"><link href="text/sbasic/shared/03080202.xhp" name="Log Function">Log Function</link></paragraph> +<paragraph id="par_id3145066" role="paragraph" xml-lang="en-US">Returns the natural logarithm of a number.</paragraph> +</section> + +<paragraph id="hd_id3159414" role="heading" level="2" xml-lang="en-US">Syntax:</paragraph> +<bascode> +<paragraph id="par_id3154760" role="bascode" xml-lang="en-US">Log (Number)</paragraph> +</bascode> + +<paragraph id="hd_id3149457" role="heading" level="2" xml-lang="en-US">Return value:</paragraph> +<paragraph id="par_id3150791" role="paragraph" xml-lang="en-US">Double</paragraph> + +<paragraph id="hd_id3151211" role="heading" level="2" xml-lang="en-US">Parameters:</paragraph> +<paragraph id="par_id3151041" role="paragraph" xml-lang="en-US"> <emph>Number:</emph> Any numeric expression that you want to calculate the natural logarithm for.</paragraph> +<paragraph id="par_id3150869" role="paragraph" xml-lang="en-US">The natural logarithm is the logarithm to the base e. Base e is a constant with an approximate value of 2.718282...</paragraph> +<paragraph id="par_id3153968" role="paragraph" xml-lang="en-US">You can calculate logarithms to any base (n) for any number (x) by dividing the natural logarithm of x by the natural logarithm of n, as follows:</paragraph> +<paragraph id="par_id3145420" role="paragraph" xml-lang="en-US">Log n(x) = Log(x) / Log(n)</paragraph> +<embed href="text/sbasic/shared/00000003.xhp#errorcode"/> +<embed href="text/sbasic/shared/00000003.xhp#err5"/> + +<paragraph id="hd_id3155131" role="heading" level="2" xml-lang="en-US">Example:</paragraph> +<bascode> +<paragraph id="par_idm1341571344" role="bascode" localize="false" xml-lang="en-US">Sub ExampleLogExp</paragraph> +<paragraph id="par_idm1341570112" role="bascode" localize="false" xml-lang="en-US">Dim a As Double</paragraph> +<paragraph id="par_idm1341568880" role="bascode" localize="false" xml-lang="en-US">Dim Const b1=12.345e12</paragraph> +<paragraph id="par_idm1341567648" role="bascode" localize="false" xml-lang="en-US">Dim Const b2=1.345e34</paragraph> +<paragraph id="par_idm1341566416" role="bascode" localize="false" xml-lang="en-US"> a=Exp( Log(b1)+Log(b2) )</paragraph> +<paragraph id="par_id3149262" role="bascode" xml-lang="en-US"> MsgBox "" & a & chr(13) & (b1*b2) ,0,"Multiplication by logarithm function"</paragraph> +<paragraph id="par_idm1341563312" role="bascode" localize="false" xml-lang="en-US">End Sub</paragraph> +</bascode> +</body> + +</helpdocument>
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