If you have doubts or questions don't hesitate: contact us by e-mail at info@perseus.it or write to:

Riccio Filippo
via Raffaello Sanzio 3
20032 Cormano (MI)
ITALY

If you want to tell us about an error or an incomprehensible behaviour of the program, please be clear and precise; in this way we'll be able to help you more easily. It could be useful to save the situation and attach the .ST file to your e-mail message.

If you want to purchase the program contact us, or contact one of the authorized distributors.