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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Chapter 3. Grundlagen der Benutzung</title><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot"><link rel="home" href="index.html" title="Genius-Handbuch"><link rel="up" href="index.html" title="Genius-Handbuch"><link rel="prev" href="ch02s02.html" title="Beim Start von Genius"><link rel="next" href="ch03s02.html" title="Erstellen eines neuen Programms"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 3. Grundlagen der Benutzung</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch02s02.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="ch03s02.html">Next</a></td></tr></table><hr></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a name="genius-usage"></a>Chapter 3. Grundlagen der Benutzung</h1></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl class="toc"><dt><span class="sect1"><a href="ch03.html#genius-usage-workarea">Benutzung des Arbeitsplatzes</a></span></dt><dt><span class="sect1"><a href="ch03s02.html">Erstellen eines neuen Programms</a></span></dt><dt><span class="sect1"><a href="ch03s03.html">Öffnen und Ausführen eines Programms</a></span></dt></dl></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="genius-usage-workarea"></a>Benutzung des Arbeitsplatzes</h2></div></div></div><p>Normalerweise interagieren Sie mit dem Rechenprogramm im Reiter <span class="guilabel">Konsole</span> des Arbeitsplatzes. Falls Sie die textbasierte Version verwenden, wird Ihnen nur diese Konsole zur Verfügung stehen. Wenn Sie das <span class="application">Genius Mathematikwerkzeug</span> als reines Rechenprogramm verwenden wollen, geben Sie einfach Ihren Ausdruck hier ein, und das Ergebnis wird berechnet.</p><p lang="en">
To evaluate an expression, type it into the <span class="guilabel">Console</span> work area and press enter.
Expressions are written in a
language called GEL. The most simple GEL expressions just looks like
mathematics. For example
</p><pre lang="en" class="screen"><code class="prompt">genius> </code><strong class="userinput"><code>30*70 + 67^3.0 + ln(7) * (88.8/100)</code></strong>
</pre><p lang="en">
or
</p><pre lang="en" class="screen"><code class="prompt">genius> </code><strong class="userinput"><code>62734 + 812634 + 77^4 mod 5</code></strong>
</pre><p lang="en">
or
</p><pre lang="en" class="screen"><code class="prompt">genius> </code><strong class="userinput"><code>| sin(37) - e^7 |</code></strong>
</pre><p lang="en">
or
</p><pre lang="en" class="screen"><code class="prompt">genius> </code><strong class="userinput"><code>sum n=1 to 70 do 1/n</code></strong>
</pre><p lang="en">
(Last is the harmonic sum from 1 to 70)
</p><p lang="en">
To get a list of functions and commands, type:
</p><pre lang="en" class="screen"><code class="prompt">genius> </code><strong class="userinput"><code>help</code></strong>
</pre><p lang="en">
If you wish to get more help on a specific function, type:
</p><pre lang="en" class="screen"><code class="prompt">genius> </code><strong class="userinput"><code>help FunctionName</code></strong>
</pre><p lang="en">
To view this manual, type:
</p><pre lang="en" class="screen"><code class="prompt">genius> </code><strong class="userinput"><code>manual</code></strong>
</pre><p lang="en">
</p><p lang="en">
Suppose you have previously saved some GEL commands as a program to a file and
you now want to execute them.
To load this program from the file <code class="filename">path/to/program.gel</code>,
type
</p><pre lang="en" class="screen"><code class="prompt">genius> </code><strong class="userinput"><code>load path/to/program.gel</code></strong>
</pre><p lang="en">
<span class="application">Genius Mathematics Tool</span> keeps track of the current directory.
To list files in the current directory type <span class="command"><strong>ls</strong></span>, to change directory
do <strong class="userinput"><code>cd directory</code></strong> as in the UNIX command shell.
</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ch02s02.html">Prev</a> </td><td width="20%" align="center"> </td><td width="40%" align="right"> <a accesskey="n" href="ch03s02.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Beim Start von <span class="application">Genius</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> Erstellen eines neuen Programms</td></tr></table></div></body></html>
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