MATruss performs static strength analysis of a structure made up by truss elements. An easy to use preprocessor make the input of model data a fast and carefree process. A thoroughly tested and reliable solver analyses the truss model in detail and produces the data needed for design. The calculated results are easily viewed in a fast postprocessor. All this in a compact package less than 1.5 MB. Version 1.3 includes unspecified updates.