|MT-RESEARCHER program is the tool for data processing of MT data and inverse problem solution. The program reads the field data in EDI format instrument, makes analysis of the data and determines convenient cross-section in the class of gradient or layered structures. The maximum number of layers is 20. If necessary, a user has possibility to include IP effect and anisotropy in the data processing. The package gives a user possibility to construct 2D or 3D imaging of geoelectrical section. One can download the manual of the program and demo version of MT-RESEARCHER.