# Difference between revisions of "ApCoCoA-1:Fn.Ln2N"

From ApCoCoAWiki

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− | <see> | + | <see>Fn.SetAccuracy</see> |

− | <see> | + | <see>Fn.GetAccuracy</see> |

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<key>elemfns.Ln2N</key> | <key>elemfns.Ln2N</key> |

## Revision as of 09:03, 5 May 2011

## Fn.Ln2N

Returns the natural logarithm of 2 rounded to accuracy `Acc`.

### Syntax

Fn.Ln2N(Acc:INT):RAT

### Description

@param

*Acc*The desired accuracy.@return Returns the natural logarithm of 2 rounded to accuracy

`Acc`.

#### Example

R := Fn.Ln2N(30); Dec(R, 40); 0.693147180559945309417232121458 -------------------------------