PURPOSE: To quantitatively and visually display the progress situation of work in a development process for a project manager, to preserve the progress courses of past work and a work amount, to easily collect and retrieve the valuation and evaluation of work in the other project and to provide appropriate support information on a management action at appropriate time.

CONSTITUTION: A work item/work valuation amount input device 1 selecting work items required for the individual processes and inputting the work valuation amount, a standard work progress amount generation device 2 generating a standard work progress amount and a delay permission work progress amount in the processes, a results work progress amount calculation device 3 calculating a work progress amount as results, a progress amount comparison/ preservation device 4 preserving the respective progress amounts and requesting a processing for work delay and a visualization output device 5 outputting the respective progress amounts by a table system or a graph system in accordance with requests are provided.