history of iran in islamic era and fuzzy algebra

History of iran in islamic era is an interesting topics for the reaserches. it was found that fuzzy algebra has been an icon in the mathematics education of the islamic era. the purpose of this study was to investigate iranian scientists contributions to the improvement of fuzzy mathematics. this goal required a summary of the historical, political and educational situation of iran from the start to the islamic era and then focus on iranian mathematecians particular contributions. the method for collecting the information was to initially research books written by historians and mathematecians.