What is meant by the account of Muslim jurists is to enjoin good and forbid evil, and this is the duty of every Muslim. Therefore, the beginning of the job of the accountant is due to the establishment of the Islamic state, and the caliphs themselves have assumed it or have dedicated them to those who undertake it in order to verify the implementation of the law. And the book (End of the rank in the request of the calculation) by its author, "Abd al-Rahman bin Nasra al-Shirzi," a source The daily life of people and shows what the calculated should be of qualities, or based on the monitoring of the market and the markets