... altogether.1.1Starting WindowsWindows is a so-called graphical user interface, in which many programs,files, and instructions are shown pictorially, and in which many operationscan be performed by ‘pointing ... on numerical analysis, and it covers such aspects as finding roots and fittingcurves, integrating, differentiating, smoothing, and interpolating data. Numerical solutionof differential equations ... enter Sine wave. Then click in the Value (X) Axis window, andenter angle. Finally, click in the Value (Y) Axis window, and enter sine. Apicture will show you what your graph is going to look...