Your software Scilab –
5.0.3 I have installed on MS Windows Professional platform. I try to add some toolboxes into contrib directory. So the way according to pwd function for instance is C:\Program Files\scilab-5.0.3\contrib\lp_solve_5.5,
or another toolboxes. The current directory toolbox is establihed according the botton Change Current Directory on console, for all that such a toolbox programs does not coact, don´t read.