An information terminal device and an operation supporting method for
enhancing operability by anticipating, based on a history of previous
operations performed by a user, a next operation to be performed after a
specific operation input by the user, and supporting a user's operation
input based on the anticipation. An operation history storing section
stores information about an operation input by the user to an input
section. Based on the operation history information, an operation
anticipating section anticipates a next operation likely to be executed
by the user. An operation supporting section supports execution of a
function corresponding to the operation anticipated by the operation
anticipating section. In the operation supporting section, an anticipated
operation executing section 15 automatically executes the anticipated
operation, or a user notification section notifies the user if an
operation subsequently input to the input section does not coincide with
the anticipated operation.