The mathematics in middle-aged Arab caliphate and it application to   contemporary teaching in high schools
  This paper offers a glimpse of the major contributions made by Arabs to mathematics in middle ages history period. Its purpose is to stimulate interest in an object based on mutual respect and understanding. We give a short list of the most popular Arabic mathematicians and we comment some of their studies for using them in the high school teaching. 
Adnan Sharaf Ali, Stancho Pavlov, Krasimir Yordzhev
math.HO