PURPOSE: To eliminate the reservation setting of periodical operations and improve the operatability by a method wherein the periodical operations are stored and an operation time is decided to execute a user operation. ;CONSTITUTION: A user operation deciding means 22 decides the time of the operation which is the object of the decision among user operations by a clock function and the time is stored in a user operation time memory means 23 and, at the same time, the operation contents are stored in a user operation contents memory means 24. The user operation deciding means 22 decides the periodical operation time of the time memory means 23 and, if that time comes, a dialog means 26 makes a user guide the user operation stored in the user operation contents memory means 24. An operation executing means executes the user operation stored in the user operation contents memory means 24 if the time of the periodical operation comes. With this constitution, the periodical operation is automatically decided and executed and the operation without reservation setting can be realized.;COPYRIGHT: (C)1996,JPO
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