Abstract: A system for economic-financial planning, comprising a set of tables for a generic database which are compiled and connected, and constitute a model for implementing economic-financial and asset-and-liability planning; the model is a structure aimed at preparing the budget (20) and at automatic calculation of the cash flow (28) and of the asset-and-liability statement (27) by means of an application program of the type resembling an electronic spreadsheet, and moreover enables a series of analyses, comparisons and prints of standard and specific documents and forms.