To attain efficient pen inputting by preserving the kind of characters in a character input mode, automatically switching to the kind of characters after switching input window, and displaying a kind of keyboard capable of input with the kind of characters.

In this inputting device, when switching to a handwritten input window is instructed during data input (S2: YES), the kind of characters in a character input mode is preserved by a kind of character storing part 43 (S4), and the kind of characters is switched by a switching part 44 in a window after switching (S5). Also, when switching to a keyboard input window is instructed (S8: YES), a kind of keyboard capable of input with the kind of characters preserved in the kind of character storing part 43 (S9) is displayed by a display switching part 45 (S11).