Purchase

The entire purchase process is handled via paypal. You do not need to be a member of paypal to purchase the software. You can still use your credit/debit cards without joining up.

Please ensure that you have the Back and Lay Variable Dutch Calculator installed on your computer and that it is working to your satisfaction before purchase.

Purchase today for £4.99

No personal details are stored on this site.

After purchase you will be able to unlock the trial version of the software straight away. All you need is your email address that you used during the purchase process. Full instructions are contained in the help manual that comes with the software.