This step-by-step article explains how to share a Microsoft Excel workbook with other users. If you want several users to work in the same Excel workbook simultaneously, you can save the workbook as a shared workbook. Users can then enter data, insert rows and columns, add and change formulas, and change formatting.
If you're in an application that gives you a link that you can click on, the spinning circle usually means that Windows is busy; it's doing something... it might very well be loading IE9. It's not until IE9 has finished loading that it becomes visible and takes over the screen.
Hamilton Circuit. A circuit that starts at a vertex of a graph, passes through every vertex exactly once, and returns to the starting vertex is called a HAMILTON CIRCUIT. Unfortunately, there are no counterparts to Eulerâs theorems that tell us whether or not a graph has a Hamilton Circuit.