Difference between revisions of "ApCoCoA-1:Fn.Log"

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   <title>Fn.Log</title>
 
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<see> Fn.LogN</see>
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<see>ApCoCoA-1:Fn.LogN|Fn.LogN</see>
<see> Fn.Ln</see>
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<see>ApCoCoA-1:Fn.Ln|Fn.Ln</see>
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<see>ApCoCoA-1:Fn.LnN|Fn.LnN</see>
<see> Fn.SetAccuracy</see>
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<see>ApCoCoA-1:Fn.SetAccuracy|Fn.SetAccuracy</see>
<see> Fn.GetAccuracy</see>
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<see>ApCoCoA-1:Fn.GetAccuracy|Fn.GetAccuracy</see>
 
<key>Fn.Log</key>
 
<key>Fn.Log</key>
 
<key>elemfns.Log</key>
 
<key>elemfns.Log</key>
 
<key>Log</key>
 
<key>Log</key>
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<wiki-category>ApCoCoA-1:Package_elemfns</wiki-category>
 
</command>
 
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Latest revision as of 10:03, 7 October 2020

This article is about a function from ApCoCoA-1.

Fn.Log

Returns the logarithm to a given base.

Syntax

Fn.Log(Base:RAT,X:RAT):RAT

Description

This function returns the logarithm of X to the base Base rounded to the current global accuracy.

  • @param Base The base to which to compute the logarithm.

  • @param X The value of which to compute the logarithm.

  • @return The logarithm of X to the base Base rounded to the current global accuracy.

Example

Fn.SetAccuracy(20);
R := Fn.Log(3,27);
Dec(R, 40);

3
-------------------------------

Example

Fn.SetAccuracy(20);
R := Fn.Log(2,10);
Dec(R, 40);

3.32192809488736234787
-------------------------------

Fn.LogN

Fn.Ln

Fn.LnN

Fn.SetAccuracy

Fn.GetAccuracy