forked from amazingfate/help
df4d4db740
Patch contributed by Oliver Rainer-Wittmann
i#118572 - remove ui string and help content regarding
usage of Java Mail in Writer's Mail Merge as Java
Mail is not used.
http://svn.apache.org/viewvc?view=revision&revision=1197035
Patches contributed by Herbert Duerr
updated help text for regexp word boundaries
http://svn.apache.org/viewvc?view=revision&revision=1228026
improved help text for word boundary regexp expression \b
http://svn.apache.org/viewvc?view=revision&revision=1234738
Patches contributed by Jurgen Schmidt
remove onlineregistration with dependencies
http://svn.apache.org/viewvc?view=revision&revision=1240245
Patch contributed by Regina Henschel
Extended tips for corner and cap style
http://svn.apache.org/viewvc?view=revision&revision=1242287
* re-enable on-line update help, remove obsolete on-line purchasing.
72 lines
5.4 KiB
XML
72 lines
5.4 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!--
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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-->
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<helpdocument version="1.0">
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<meta>
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<topic id="textsbasicshared03080101xml" indexer="include" status="PUBLISH">
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<title id="tit" xml-lang="en-US">Atn Function [Runtime]</title>
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<filename>/text/sbasic/shared/03080101.xhp</filename>
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</topic>
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<history>
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<created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created>
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<lastedited date="2004-08-24T09:41:00">converted from old format - fpe</lastedited>
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</history>
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</meta>
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<body>
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<section id="atn">
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<bookmark xml-lang="en-US" branch="index" id="bm_id3150616"><bookmark_value>Atn function</bookmark_value>
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</bookmark>
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<paragraph role="heading" id="hd_id3150616" xml-lang="en-US" level="1" l10n="U" oldref="1"><link href="text/sbasic/shared/03080101.xhp" name="Atn Function [Runtime]">Atn Function [Runtime]</link></paragraph>
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<paragraph role="paragraph" id="par_id3149346" xml-lang="en-US" l10n="U" oldref="2">Trigonometric function that returns the arctangent of a numeric expression. The return value is in the range -Pi/2 to +Pi/2.</paragraph>
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</section>
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<paragraph role="paragraph" id="par_id3143271" xml-lang="en-US" l10n="U" oldref="3">The arctangent is the inverse of the tangent function. The Atn Function returns the angle "Alpha", expressed in radians, using the tangent of this angle. The function can also return the angle "Alpha" by comparing the ratio of the length of the side that is opposite of the angle to the length of the side that is adjacent to the angle in a right-angled triangle.</paragraph>
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<paragraph role="paragraph" id="par_id3145315" xml-lang="en-US" l10n="U" oldref="4">Atn(side opposite the angle/side adjacent to angle)= Alpha</paragraph>
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<paragraph role="heading" id="hd_id3149669" xml-lang="en-US" level="2" l10n="U" oldref="5">Syntax:</paragraph>
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<bascode>
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<paragraph role="bascode" id="par_id3148947" xml-lang="en-US" oldref="6">Atn (Number)</paragraph>
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</bascode>
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<paragraph role="heading" id="hd_id3148664" xml-lang="en-US" level="2" l10n="U" oldref="7">Return value:</paragraph>
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<paragraph role="paragraph" id="par_id3150359" xml-lang="en-US" l10n="U" oldref="8">Double</paragraph>
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<paragraph role="heading" id="hd_id3148798" xml-lang="en-US" level="2" l10n="U" oldref="9">Parameters:</paragraph>
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<paragraph role="paragraph" id="par_id3156212" xml-lang="en-US" l10n="U" oldref="10">
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<emph>Number:</emph> Any numerical expression that represents the ratio of two sides of a right triangle. The Atn function returns the corresponding angle in radians (arctangent).</paragraph>
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<paragraph role="paragraph" id="par_id3153192" xml-lang="en-US" l10n="U" oldref="11">To convert radians to degrees, multiply radians by 180/pi.</paragraph>
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<paragraph role="paragraph" id="par_id3147230" xml-lang="en-US" l10n="U" oldref="12">degree=(radian*180)/pi</paragraph>
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<paragraph role="paragraph" id="par_id3125864" xml-lang="en-US" l10n="U" oldref="13">radian=(degree*pi)/180</paragraph>
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<paragraph role="paragraph" id="par_id3159252" xml-lang="en-US" l10n="U" oldref="14">Pi is here the fixed circle constant with the rounded value 3.14159.</paragraph>
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<embed href="text/sbasic/shared/00000003.xhp#errorcode"/>
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<embed href="text/sbasic/shared/00000003.xhp#err5"/>
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<paragraph role="heading" id="hd_id3153142" xml-lang="en-US" level="2" l10n="U" oldref="15">Example:</paragraph>
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<bascode>
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<paragraph role="bascode" id="par_id3146985" xml-lang="en-US" l10n="U" oldref="16">' The following example calculates for a right-angled triangle</paragraph>
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<paragraph role="bascode" id="par_id3145750" xml-lang="en-US" l10n="U" oldref="17">' the angle Alpha from the tangent of the angle Alpha:</paragraph>
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<paragraph role="bascode" localize="false" xml-lang="en-US">Sub ExampleAtn</paragraph>
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<paragraph role="bascode" id="par_id3151112" xml-lang="en-US" l10n="U" oldref="19">' rounded Pi = 3.14159 Is a predefined constant</paragraph>
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<paragraph role="bascode" localize="false" xml-lang="en-US">Dim d1 As Double</paragraph>
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<paragraph role="bascode" localize="false" xml-lang="en-US">Dim d2 As Double</paragraph>
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<paragraph role="bascode" id="par_id3149262" xml-lang="en-US" l10n="U" oldref="22"> d1 = InputBox$ ("Enter the length of the side adjacent to the angle: ","Adjacent")</paragraph>
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<paragraph role="bascode" id="par_id3149482" xml-lang="en-US" l10n="U" oldref="23"> d2 = InputBox$ ("Enter the length of the side opposite the angle: ","Opposite")</paragraph>
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<paragraph role="bascode" id="par_id3155415" xml-lang="en-US" l10n="U" oldref="24"> Print "The Alpha angle is"; (atn (d2/d1) * 180 / Pi); " degrees"</paragraph>
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<paragraph role="bascode" localize="false" xml-lang="en-US">End Sub</paragraph>
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</bascode>
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</body>
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</helpdocument>
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