Abstract: A task generation unit extracts classes forming a system from design information of the system designed on an object-oriented basis and generates tasks corresponding to the extracted classes. A dependency setting unit extracts dependency between the classes from the design information of the system and sets dependency between the corresponding tasks on the basis of the dependency. A workload estimation unit extracts complexity of the classes from the design information of the system and estimates workload required for implementation of the classes on the basis of the complexity. A Gantt chart generation unit schedules the tasks on the basis of the above information.

Abstract: A task generation unit extracts classes forming a system from design information of the system designed on an object-oriented basis and generates tasks corresponding to the extracted classes. A dependency setting unit extracts dependency between the classes from the design information of the system and sets dependency between the corresponding tasks on the basis of the dependency. A workload estimation unit extracts complexity of the classes from the design information of the system and estimates workload required for implementation of the classes on the basis of the complexity. A Gantt chart generation unit schedules the tasks on the basis of the above information.

Abstract: The present invention is directed to explaining functions with a rich graphical expression even when the number of kinds of functions required for a software increases. More particularly, a plurality of function areas 201-223 are defined in a composite icon area of the present invention. An appearance image is associated to each function area and, when a mouse pointer comes across a function area, appearance images associated to that function area are displayed as appearance images of a composite icon. A function is also associated to each function area and, when a mouse is clicked on a function area, a function which is associated to that function area is executed. The set of the function area may be changed by changing the size of a composite icon, an operation to switch the group of functions, or selection of an object to be operated upon.