A display apparatus (50) that appropriately displays a dynamic layout type electronic document having a handwritten memo additionally input to a main body even in different environments includes: a display unit (74) also serving as a handwritten data input unit (76); a layout calculating unit (72) calculating a layout of the dynamic layout type electronic document and giving a display on the display unit (74); a user writing processing unit (78) causing handwritten data of a user input through handwritten data input unit (76) to be displayed overlapping the electronic document that is being displayed; and a user data input/output unit (66) storing user data used for displaying the handwritten data in a user data storing unit (64) in relation to the electronic document. The user data includes shape data of the handwritten data, write area information specifying an area in the electronic document where the handwritten data was written, and layout information at the time of writing specifying the display layout of the electronic document when the handwritten data was formed.