The increase of the electronic circuits complexity motivated the use of computer supported design techniques. These techniques, mainly based on the optimization methods, aids the designers to solve different problems related to the Electronic Circuit Design area. The large scale production of circuits, contrasting with the development of prototypes, creates a design envionment where the statitiscal fluctuations are considered and it gives rise to the so called Statistical Design. It is analized here the problems related to this design envionment and their solutions via Optimization Methods. It is shown the description of the techniques derived during the formulation of these problems through a Minimax criteria as well as the details of the implementation of the developed algorithms. In order to test the algorithms in real world problems it was developed a Simulation Package for linear Circuits Design in the frequency domain. This program, without changes in the circuit topology, actuates over the values of the project prameters and their tolerancies through algorithms that optimize the circuit performance.