Derive no longer is available except for the following language editions: Czech, Hungarian, Polish, and Japanese. These editions can be purchased until 31 Dec 2008 from the following local distributors:
 

Poland

Gambit
Centrum Oprogramowania i Szkolen Sp.z o.o.
Al. Pokoju 29B/22-24, 31-564 Kraków, Poland
phone: (+48) 12 414 3767
fax: (+48) 12 414 3387
e-mail: info@gambit.net.pl
homepage: http://www.gambit.net.pl/

Czech Republic

Europeon a.s.
Trebizskeho 1010, 370 06 Ceske Budejovice, Czech Republic
phone: +420 737 330 882 or +420 604 978 864
e-mail: derive@europeon.cz

Hungary

Új Calculus Számítógép-alkalmazási Bt.
Körösi Csoma S. út 9.II.9., H-1102 Budapest, Hungary
phone: (+36) 1 320-2774
mobile phone: (+36) 20-9-350-645 or (+36) 20-9-514-884
fax: (+36) 1 260-3107
e-mail: office@calculus.hu
homepage: http://www.calculus.hu/

Japan

Naoco, Inc.
Masters Office Tachikwa 8F
3-14-11 Takamatsucho
Tachikawa-shi
Tokyo 190-0011, Japan
e-mail: nakazawa@naoco.com