A spreadsheet (or spreadsheet program) is software that permits numerical data to be used and to perform automatic calculations on numbers contained in a table. It is also possible to automate complex calculations by using a large number of parameters and by creating tables called worksheets.
In addition, spreadsheets can also easily produce graphic representations of the data entered:
Numerous spreadsheets have been produced by the main software companies. The main spreadsheets are:
Examples in the following articles are based on the Microsoft Excel spreadsheet, but the other spreadsheets contain the same functionalities.