Ectaco Language Teacher ESC200D English - Serbo-Croatian Translator The main vocabulary of English &lt;-&gt; Serbian bidirectional dictionary features more than 450,000 entries, which include medical technical, legal and business terms as well as slang. Instant back translation Vector Ultima spell-checker allows you to enter words as you hear them and choose a spelling choice from the suggestion list. Universal organizer, synchronized with calculator, business scheduler, and a calendar comply to highest industry standards Built-in metric and currency converters