| ln | natural logarithm function |
| Syntax | ln ( r : real ) : real
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| Description | The ln function is used to find the natural logarithm (base e) of a number. For example, ln ( 1) is 0.
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| Example | This program prints out the logarithms of 1, 2, 3, … up to 100.
for i : 1 .. 100
put "Logarithm of ", i, " is ", ln ( i )
end for
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| Details | See also the exp (exponential) function. You cannot take the logarithm of zero or a negative number.
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| Note | logn (i ) = ln (i ) / ln (n )
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| See also | exp (the exponentiation function). See also predefined unit Math.
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