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added function help for the logarithm functions

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Jaka Kranjc 2012-09-28 16:03:44 +02:00
parent 01a27bab89
commit 3c1a778662
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<h3>ln() function</h3>
Returns the value of the natural logarithm of the passed expression.
<br>
This function takes one argument.
<h4>Syntax</h4>
<code>ln(value)</code><br>
<h4>Arguments</h4>
<code>value</code> - any positive number.
<br>
<h4>Example</h4>
<!-- Show example of function.-->
<code>ln(1) &rarr; 0</code><br>
<code>ln(e) &rarr; 1</code><br>

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<h3>log() function</h3>
Returns the value of the logarithm of the passed value and base.
<br>
This function takes two arguments.
<h4>Syntax</h4>
<code>log(base, value)</code><br>
<h4>Arguments</h4>
<code>base</code> - any positive number.
<code>value</code> - any positive number.
<br>
<h4>Example</h4>
<!-- Show example of function.-->
<code>log(2, 32) &rarr; 5</code><br>
<code>log(0.5, 32) &rarr; -5</code><br>

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<h3>log10() function</h3>
Returns the value of the base 10 logarithm of the passed expression.
<br>
This function takes one argument.
<h4>Syntax</h4>
<code>log10(value)</code><br>
<h4>Arguments</h4>
<code>value</code> - any positive number.
<br>
<h4>Example</h4>
<!-- Show example of function.-->
<code>log10(1) &rarr; 0</code><br>
<code>log10(100) &rarr; 2</code><br>