pythonxy

**Python(x,y)** is a free scientific and engineering development software for numerical computations, data analysis and data visualization based on Python programming language, Qt graphical user interfaces and Spyder interactive scientific development environment. Many python libraries related to numerical calculation are packaged, so you do not need to search and install them individually. Included libraries are listed **[here](https://code.google.com/p/pythonxy/wiki/StandardPlugins).**