Ibn al-Haytham or better known as Alhazen (965-1040 AD) was a great Muslim scientist who mastered many disciplines. One of his works entitled "Qawl fi Samt al-Qibla bi al-Hisab" describes mathematical method for determining the direction Qibla. In this paper, al-Haytham's algorithm is modified, thus can determine Qibla on entire surface globe. Then, compared with modern spherical trigonometry m...

The practice and study of medicine in Persia has a long and prolific history. The ancient Iranian medicine was combined by different medical traditions from Mesopotamia, Egypt, India, China and Greece for more than 4000 years and merged to form what became the nucleus and foundation of medical practice in the European countries in the 13th century. The Iranian academic centers like Jundishapur ...

rain is one of the manifestations of the divine blessing for servants which plays a very important role in the life of this human being. man has paid special attention to rain since he stepped on earth. many poets have described rain, used it in their similes and composed poetry out of it. they have used rain as a symbol together with other symbols such as woman, praise, battleground and so man...

the tradition attributed to the prophet that he said: «» (verily god created adam in his visage) is one of the bases of sufis ideology and ibn arab? (ab? 'abdill?h muhammad ibn 'al? ibn muhammad ibn `arab?), the founder of theoretical sufism (irfan nazari), often refers to it in his works. in his most famous work named: the al - fut?h?t al-makkiyyah, he attempts to show the correlatio...

there are references to aristotle’s view points about meteorology in ?asfizari’s treatise entitled athar-i ulwi that have not been existed in the arabic translation of aristotle’s meteorologica. ibn bitr?k, the arabic translator, did not translate some parts of the book and there are mistakes in his translation. asfizari has also mentioned some points which cannot be found in the original work ...

muhammad ibn jarir al-tabari (839-923) was a moslem historian and religious scholar whose annals are the most important source for the early history of islam. he is also a renowned author of a monumental commentary on the koran. at tabari wrote history, theology and qur'anic commentary. his legal writings were published first and then continued to appear throughout his life. next were his ...

the practice and study of medicine in persia has a long and prolific history. the ancient iranian medicine was combined by different medical traditions from mesopotamia, egypt, india, china and greece for more than 4000 years and merged to form what became the nucleus and foundation of medical practice in the european countries in the 13th century. the iranian academic centers like jundishapur ...