ECTACO English &lt;-&gt; Spanish Language Teacher ES400TX Equipped with English and Spanish Speech synthesis Vector Ultima spell-checker allows you to enter words as you hear them and choose a spelling choice from the suggestion list Universal organizer, calculator, business scheduler comply to highest industry standards Built-in metric and currency converters are indispensable tools for a business traveler Dimensions - 4.6 x 3.5 x 0.6