European physicians...

European physicians, in particular the medical society of Italy and the doctors in this land, have gotten much benefit from the book, and the ancient scientists had a very strong belief. in this book. Many historians have mentioned Razi's book with respect.

Aruzue Samarghandi, in a book called Four Articles in the section of "medical signs" wrote that every doctor should read Jalinus's book, Al-Rawi, which has been written by Razi and Qanun, written by Ibn Sina, and derive benefit from these books.

Regarding Al-Rawi, it has been noted that during his lifetime, Razi did not succeed in collecting and putting the chapters in order; he just wrote them like notes and after his death, Ibn al-Amid nicknamed Sahib Ibn Eebad paid a lot of money to Razi's sister to collect all of her brother's notes. With the assistance of his students, he put them in order and it was published. Some researchers believe that this book is thirty volumes.

Ibn Nadeem, in a book called Al-Fihris , and Ibn Usaybiah in a book called Ayunul Anbaa , said that this book has twelve sections. The importance the Europeans place on this book, in Razi's treatments and results of his patients' treatment have all been reflected in this book, and Razi noted all his observations in the book.

For the first time, the book Al-Hawi , was translated to Latin in Italy and two volumes were published in the 1486 and later this book was re-published in Venice, Italy, in the year 1509 and 1542.

The manuscript of this book is available in the British Museum, Munich Library , Oxford and Cambridge Libraries, Excoria Library of Spain, the Library of Salimaqa in Istanbul, Suliemaniyya Library, Shahid Ali Pasha Library in Istanbul, Musa Library, Astane Quds Library in Mashad, Modarres Library in India and Malik Library in Tehran.

Abu Raihan Muhammad lbn Ahmad al-Biruni- Another Muslim Scientist Abu Raihan Biruni, one of the great scientists of the fourth hijrah century, approximately a thousand years ago, was born in the north of Khorasan province in Iran. He made discoveries in mathematics, astronomy, history, social sciences, and philosophy and wrote many books in Persian and Arabic. His scientific contributions include the accurate determination of the density of eighteen different metals and mineral stones.

He calculated the sine and cosine of angles from zero to 90 degrees and recorded them in a table. One of his discoveries was the measurement of the radius of the earth using a new and difficult method.