In this simple form, which uses a Java Script, you are provided with a number >0 but less than 1.

Determine the Logarithm10 of the number and enter it in the box provided e.g. -0.2341.

To check that you have used the Tables correctly,
the Logarithm calculated by the computer can then be displayed for comparison.

Note that if you are NOT using a Java enhanced browser, this form will NOT work.

The number is enter its logarithm:

I calculated: so allowing for a little variation, your response is:

For a new number

First clear the form using the CLEAR button below
and then use the Reload function of your Browser.

Created and maintained by Robert Lancashire and Andrew Pearson,
University of the West Indies, Mona Campus, Jamaica.
Comments to authors at Robert Lancashire and/or Andrew Pearson.
Created Thursday May 2nd 1996. Last modified 22nd February 2015.