Need something to help you understand all those complicated math equations in a breeze? Octave can help you out in that department. If you think that MatLab is awesome and want a similar type of software minus the dent in your pocket, Octave is your man. The program is the open source version of the commercial math program, MatLab. Despite being offered absolutely free, Octave still manages to stand up to its expensive counterpart. It provides an easy way for you to solve linear and non-linear mathematical problems. The program also works together with its paid counterpart so using it is a breeze if you are already familiar with the former. Solving math problems has just become so much easier with this cool new program. Check it out.