Aerospace Instrument-Making Annotation << Back Metrics as means of the qualities evaluation of the software A.V. Vorobyev There are many various engineered metrics, allowing estimating complexity of the software, to reduce time for its development, value of designing, drawing up of programs, testings and supports on the basis of use of quality criteria. Estimations of programs quality should cover the following basic parameters: topological and information complexities, reliability with an opportunity of the refusals forecasting, ways of increase of efficiency by fast revealing mistakes and evaluation of the level language means, and also difficulty of perception and understanding of program texts with their updatings, labour productivity of programmers and time of scheduling on creation of the software.