Abstract
Usability evaluation of e-book applications for iPad. It can be said that it is a current state that the e-book application program not used easily is flooded. The usability was tested for three application programs in the digital book used best. The result is discovered six things. 1. The toolbar is always displayed. 2. The distinction is enabled by using the icon and the character momentarily. 3. The metaphor display of the book is appropriately used. 4. Feedback is properly given. 5. The movement of the glance is reduced as much as possible. 6. It makes it to the information structure corresponding to frequency.
