A mathematical/scientific package with modules/toolboxes e.g. Data Analysis/Handling, Education/English, GUI, Graphics, Modelling, Numerical Maths, Physics & Xcos. ATOMS (AuTomatic mOdules Management for Scilab) is the repository for packaged extension modules (“Toolboxes”, or the --> atomsInstall(…) command for the toolbox: e.g. atomsInstall(“scicv”). Useful commands: pwd – present working directory who - list of variables whos - listing of variables in long form clc – clear command window //but the variables are still there. clear – kills variables! ls – list dir – list cd – change directory