Log10  
Description
Calculates the logarithm of number, to base 10.
 
Returns
Number; the logarithm of number, to base 10.
 
Category
Mathematical functions
 
Function syntax
Log10(number)
 
See also
Exp, Log
 
Parameters
 
Parameter      Description
number Positive real number for which to calculate the logarithm
 
Example
<h3>Log10 Example</h3>
<cfif IsDefined("FORM.number")>
   <cfoutput>
      <p>Your number, #FORM.number#
      <br>#FORM.number# raised to the E power: #exp(FORM.number)#
      <cfif FORM.number LTE 0><br>You must enter a positive real number to 
see the natural logarithm of that number
      <cfelse><br>The natural logarithm of #FORM.number#: #log(FORM.number)#
      </cfif>
      <cfif #FORM.number# LTE 0><br>You must enter a positive real number to 
see the logarithm of that number to base 10
      <cfelse><br>The logarithm of #FORM.number# to base 10: 
#log10(FORM.number)#
      </cfif>
   </cfoutput>
</cfif>
<cfform action = "log10.cfm">
Enter a number to find its value raised to the E power, its natural 
logarithm, and the logarithm of number to base 10.
<cfinput type = "Text" name = "number" message = "You must enter a number" 
validate = "float" required = "No">
<input type = "Submit" name = "">
</cfform>
number  
Positive real number for which to calculate the logarithm