New technologies gives us possibility to step to new, more automated, level and to guarantee bigger efficiency. It requires comprehensive perfection and stepping to higher level. The ability of human being to analyze and process information flows is quite limited and requires big time recourses,...

The main goal of these thesis is : to carry out all organization process that must be computerized. There are some processes which man cannot carry out withuot special software. The main critical proces is financial control of contracts. Contract begins with signing between our handing...