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updated: help

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git-svn-id: svn://ttmath.org/publicrep/ttcalc/trunk@118 e52654a7-88a9-db11-a3e9-0013d4bc506e
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Tomasz Sowa
2009-04-02 10:26:55 +00:00
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help/logarithm_exponential.html Normal file
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
<title>TTCalc - Logarithm and Exponential</title>
<link rel="stylesheet" href="styles.css" type="text/css">
<object type="application/x-oleobject" classid="clsid:1e2a7bd0-dab9-11d0-b93a-00c04fc99f9e">
<param name="Keyword" value="ln">
<param name="Keyword" value="log">
<param name="Keyword" value="exp">
</object>
</head>
<body>
<h1>Arithmetic functions</h1>
<p><strong>Note:</strong> If a function takes more than one argument, the arguments are separated with semicolon ';'.</p>
<h2>Logarithm and Exponential</h2>
<dl>
<dt>ln(x)</dt>
<dd>This function calculates the natural logarithm of x,<br>e.g. ln(123)=4.812...</dd>
<dt>log(x; base)</dt>
<dd>This function calculates the logarithm of x with a base equal 'base'<br>
It's using the formula: log(x; base) = ln(x) / ln(base)<br>
log(123; 4)=3.471...</dd>
<dt>exp(x)</dt>
<dd>This function calculates the exponential function of x<br>exp(20)=e^20=485165195.409...</dd>
</dl>
</body>
</html>