<?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="textsbasicshared03080201xml" indexer="include" status="PUBLISH"> <title id="tit" xml-lang="en-US">Exp Function</title> <filename>/text/sbasic/shared/03080201.xhp</filename> </topic> </meta> <body> <section id="exp"> <bookmark xml-lang="en-US" branch="index" id="bm_id3150616"> <bookmark_value>Exp function</bookmark_value> </bookmark> <paragraph id="hd_id3150616" role="heading" level="1" xml-lang="en-US"><link href="text/sbasic/shared/03080201.xhp" name="Exp Function">Exp Function</link></paragraph> <paragraph id="par_id3155555" role="paragraph" xml-lang="en-US">Returns the base of the natural logarithm (e = 2.718282) raised to a power.</paragraph> </section> <paragraph id="hd_id3150984" role="heading" level="2" xml-lang="en-US">Syntax:</paragraph> <bascode> <paragraph id="par_id3145315" role="bascode" xml-lang="en-US">Exp (Number)</paragraph> </bascode> <paragraph id="hd_id3154347" role="heading" level="2" xml-lang="en-US">Return value:</paragraph> <paragraph id="par_id3149670" role="paragraph" xml-lang="en-US">Double</paragraph> <paragraph id="hd_id3154760" role="heading" level="2" xml-lang="en-US">Parameters:</paragraph> <paragraph id="par_id3150793" role="paragraph" xml-lang="en-US"> <emph>Number:</emph> Any numeric expression that specifies the power that you want to raise "e" to (the base of natural logarithms). The power must be for both single-precision numbers less than or equal to 88.02969 and double-precision numbers less than or equal to 709.782712893, since $[officename] Basic returns an Overflow error for numbers exceeding these values.</paragraph> <embed href="text/sbasic/shared/00000003.xhp#errorcode"/> <embed href="text/sbasic/shared/00000003.xhp#err5"/> <paragraph id="hd_id3156280" role="heading" level="2" xml-lang="en-US">Example:</paragraph> <bascode> <paragraph id="par_idm1206717456" role="bascode" localize="false" xml-lang="en-US">Sub ExampleLogExp</paragraph> <paragraph id="par_idm1206716352" role="bascode" localize="false" xml-lang="en-US">Dim dValue As Double</paragraph> <paragraph id="par_idm1206715248" role="bascode" localize="false" xml-lang="en-US"> Const b1=12.345e12</paragraph> <paragraph id="par_id3159254" role="bascode" localize="false" xml-lang="en-US">Const b2=1.345e34</paragraph> <paragraph id="par_idm1206712560" role="bascode" localize="false" xml-lang="en-US"> dValue=Exp( Log(b1)+Log(b2) )</paragraph> <paragraph id="par_id3161832" role="bascode" xml-lang="en-US"> MsgBox "" & dValue & chr(13) & (b1*b2) ,0,"Multiplication by logarithm"</paragraph> <paragraph id="par_idm1206709680" role="bascode" localize="false" xml-lang="en-US">End Sub</paragraph> </bascode> </body> </helpdocument>