SystemStar is a cost estimation tool based on the Constructive Cost Model (COCOMO) and the Constructive Systems Engineering Model (COSYSMO). Engineers use SystemStar to produce estimates of a project's cost. The program lets you make trade-offs and experiment with "what-if" analyses to arrive at a satisfactory project plan.
With its help, you can manage your rooms/beds easily, and avoid double bookings.
Model Railroad Inventory is designed to inventory all of your model railroad.
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