LOG Function
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 Action

 Returns the natural logarithm of a numeric expression.


 Syntax



  LOG( numeric-expression)


 Remarks


 The argument  numeric-expression must be greater than zero. The natural
 logarithm is the logarithm to the base  e. The constant  e is approximately
 equal to 2.718282.

  LOG is calculated in single precision if  numeric-expression is an integer
 or single-precision value. If you use any other numeric type,  LOG is
 calculated in double precision.

 You can calculate base-10 logarithms by dividing the natural logarithm of
 the number by the natural logarithm of 10. The following  FUNCTION procedure
 calculates base-10 logarithms.

 FUNCTION Log10(X) STATIC

    Log10=LOG(X)-LOG(10#)

 END FUNCTION


 See Also


  EXP


 Example

 The following example prints the value of  e and then prints the natural
 logarithms of  e taken to the first, second, and third powers.

 CLS                    ' Clear screen.


 PRINT EXP(1),


 FOR I = 1 TO 3


     PRINT LOG(EXP(1) ^ I),


 NEXT


 PRINT




 Output



 2.718282       1       2       3