The English Russian electronic talking dictionary ECTACO Partner ER850 contains the largest ever vocabulary base: over 1,100,000 words in general and specialized dictionaries, Business, Financial, Law, Medical, Oil, Telecommunication and Computers. English- Russian audio phrasebook with English and Russian speech recognition enabled (14,000 phrases) with live native human speech, featuring unlimited voice function will help you in a variety of standard everyday situations and activities.Language Teacher program acts as your own personal language tutor to help you learn more effectively and improve your skills.WordNet Princeton English dictionary - 70,000 words with explanations.