esCalc is a brand-new spreadsheet software. Being a smart desktop BI tool, esCalc leads to the computing ability revolution for spreadsheets. It realizes real visualization of data computation. Computations such as filter, grouping, sorting, ranking, tables join or union can now be achieved by buttons/menus as long as concrete data is given.esCalc can be used to conduct routine data process for business users with low technical abilities, and helps them to create various of complex reports.