The significance of this study is to approach the use and utilization of the innovative ways of quantitative approaches together with operation researches to implement in the field of accounting and auditing in general; and the national accounting and auditing in particular.

The research attempts to apply the most modern quantitative approaches (ARIMA) to certify the accuracy of the national accounts in Egypt. The researcher has made use of a period of time (30 years) to testify some of the national accounts, with the support of the Statistics Institution, the researcher has prepared the findings which indicate the accuracy of the approach implemented by the researcher.