This is not a trial program. The program will not work without being activated by us.

Your license will be activated only after we receive your purchase confirmation.

Trade Log: 2.3.31

We must activate a license unique to your PC computer for this software to run. 

After you download the file, double-click the install file and fill in the requested information.  We'll be back to you soon with activation acknowledgement.  Note: This is not an automated license, so please be patient.  We're fast, but not instantaneous.

Information about the Calculator can be found here.