Essentially, using CMMI reminds us to focus on process improvement. So now we know that CMMI can help improve our processes, but what exactly is a maturity model. A maturity model is, at its simplest, a description of what makes a good process. In practice this will include a framework to help you prioritize the next improvement steps, along with a common language, and a way to define what improvement looks like for your particular organization.
What is Excel. Microsoft Excel is a spreadsheet program which allows one to enter numerical values or data into the rows or columns of a spreadsheet, and to use these numerical entries for such things as calculations, graphs, and statistical analysis. Introduction to Microsoft Excel.
You can use the Microsoft Office Excel 2007 XLL Software Development Kit and the C API to create high-performance worksheet functions for Microsoft Office Excel 2007. The upgrades to the Excel 2007 C API reflect ongoing support for users for whom the performance of third-party or in-house functionality is critical.