Low Vision Talking Scientific Graphing Calculator-English-Spanish-Blue by Sight Enhancement Systems

الوصف

World's only scientific graphing calculator designed specifically for the visually impaired;Two-language audio output - choose from English or Spanish;Enlarged keypad with high contrast, 0.7-inch tactile keys;Generous 6-inch, four-line display with adjustable contrast and backlight;Includes long life battery, USB charger and protective carry case