Calc is the spreadsheet component of OpenOffice.org. Like most modern spreadsheet programs, it contains hundreds of features, many of which few average users will ever use. However, it doesn’t abandon its user-friendliness in the process and remains very simple for those who want to work on modest calculations, such as home finances or mortgage interest payments. In many regards, Calc is practically a clone of Excel, and anyone who has used Microsoft’s spreadsheet program will be able to get started with it immediately.
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