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