... single finger, gesture recognition to achieve with multi-finger, can turn the page, write, erase, zoom, roaming and other functions. 2. Toolbar: ... with multi-finger, gestures can be used to achieve to turn the pages, exit, write, erase and other functions. 6. Word ... , ellipse, triangle and other graphics, and would increase the any graph, the graphics can be moved, combined, rotated, copied and other ...