Reference address : http://www.ellopos.net/elpenor/subscriptions.asp

Promote European Culture and Greek Learning
Make a Donation

If you wish to contribute to the Ellopos / Elpenor Project, you can choose between 4 voluntary subscriptions. All of them are annual and all are managed safely by PayPal. You can unsubscribe any time.

If for any reason you'd like to avoid the subscription scheme, you have also the option to donate whatever amount just once.