Lectures: Part one: (general estimate) fundamentals of estimation methodology with hints of financial mathematics; definition and object of estimate: the judgment of estimation; uniqueness of the estimation method, the economic aspects of a good: the most probable market value, the most probable cost of production (or reproduction), the most probable transformation value, the most porbable subrogation value, the most probable complementary value, the most probable capitalization value, the most probable social utility value. Analysis of the estimation process; the assumptions of the analytical estimate; syntethic estimates. Parte second: (special estimate) estimation of country estates, stocks, fruits and crops which were pending, land improvements, woods, damage (hail, fire, environmental pollution).Part three: (legal estimate) estimates as a result of expropriation for cause of public utility easements estimate of coercive; estimate the usufruct; estimate of succession.Part four: (cadastral estimate) functions and formation of the cadastre.