You can download it into your internal or external (recommended) memory.

Please save into memory card location : Appletree > Dictionary > Download

-Professional Dictionary-Biology

-Jourmalism Professtional Dictionary

-Professional Dictionary-Medical

-Astromomy Professional Dictionary

-Professional Dictionary-Chemical

-Professional Terminology Dictionary--Earth Science

-Professional Dictionary-Civil

-Professional Terminology Dictionary--Geology

-Professional Dictionary-Economical

-Professional Terminology Dictionary--Physics &Chemistry --Instrument

-Professional Dictionary-Electronic

-Professional Terminology Dictionary--Pathebiology

-Professional Dictionary-Engineer

-Professional Terminology Dictionary--Economy

-Professional Dict-Law

-Professional Dict-Network

-Professional Terminology Dictionary--Mathematics

-Psy Dictionary

-Professional Terminololgy Dictionary--Foundry

-Professional Statistic Dictionary

-Professional Logic Dictionary

-Professional Physics Dictionary

-Professional Terminology Dictionary - Mechanics

-Professional Terminology Dictionary - Technical Drawing

-Professional Terminology Dictionary - Astronomy

-Professional Terminology Dictonary - Ecology

-Professional Terminology Dictonary - Material Science

-Professional Terminology Dictonary - Agricultural Extension

-Professional Terminology Dictonary - Physical Education

-Professional Termionology Dict--Experimental Animal & Comparative Medicine