xHarbour Reference Documentation > Function Reference

Log10()

Calculates the base 10 logarithm.

Syntax

Log10( <nValue> ) --> nLog10

Arguments

<nValue>

Any positive numeric value greater than zero can be passed.

Return

The function returns the logarithm base 10 as a numeric value.

Info

See also:	Exp(), Log()
Category:	CT:Math , Mathematical functions
Source:	ct\ctmath2.c
LIB:	xhb.lib
DLL:	xhbdll.dll

Example

// The exapmple displays results of function Log10().

   PROCEDURE Main

      ? Log10( 1 )            // result: 0
      ? Log10( 10 )           // result: 1
      ? Log10( 1000 )         // result: 3
      ? Log10( Infinity() )   // result: 19.97

   RETURN