www.interactive-maths.com stores question data on your server temporarily in order to create worksheets and other printable resources. No personal data is collected in this process, only the data produced by the question generator. This is not shared with any third parties, and is not even accessible by us as it is stored on your server. The data is stored on your server until you close the page, when it is deleted. Should you wish to contact us, you can do that here.