Computer services, project management services in the fields of engineering, design and implementation, architectural design and implementation, product development, software development, assembly and manufacture, construction and erection, maintenance and professional services; certification of standards of project management services in areas such as engineering, design and implementation, architectural design and implementation, product development, software development, assembly and manufacture, construction and erection, maintenance, professional services, and all manner of projects both unique and repetitive, for purposes including at least- (a) the planning and scheduling of events and activities in a logical order, (b) the management of resources and knowledge, (c) the recording of a description, rationale or significance of the logic relationship between events and activities, (d) the allocation of resources based upon the type and recorded rationale for the logic relationship, (e) the calculation of probable completion times based upon the relaxation of logic relationships of varying type and rationale and (f) the calculation of the risk of timely completion and probability of various times or dates of completion based upon the validity and variability of activity of duration, selection of preference at logic forks and the type and recorded rationale for the logic relationship