\n<\/p>\n
Ferghani veya Fergani, tam ad\u0131yla Ahmed el-Fergani, 9. y\u00fczy\u0131lda ya\u015fam\u0131\u015f olan \u00f6nemli bir Orta \u00c7a\u011f \u0130slam astronomu, matematik\u00e7i ve co\u011frafyac\u0131d\u0131r. Bat\u0131’da Alfraganus olarak da bilinir. Fergana Vadisi’nde do\u011fdu\u011fu d\u00fc\u015f\u00fcn\u00fclen Fergani, Abbasi Halifesi Memun d\u00f6neminde Ba\u011fdat’ta \u00f6nemli \u00e7al\u0131\u015fmalar yapm\u0131\u015ft\u0131r.<\/p>\n
\u0130lim tahsilini zaman\u0131n k\u00fclt\u00fcr merkezi olan Fergana’da yapt\u0131. Sonra, Ba\u011fdat’a gitti. K\u0131sa s\u00fcrede kendisini tan\u0131tan Fergani, astronomi ve matematik alan\u0131nda kendisini kabul ettirdi. Abbasi halifeleri Memun, Mutas\u0131m, el-Vas\u0131k ve el-M\u00fctevekkil devirlerinde \u00f6nemli ilmi ara\u015ft\u0131rmalar yapt\u0131 ve bir\u00e7ok eser yazd\u0131. Halife M\u00fctevekkil, konusunda s\u00f6z sahibi olan Fergani’yi 861 y\u0131l\u0131nda Nil k\u0131y\u0131s\u0131ndaki \u00f6l\u00e7\u00fcmleri yapabilmek i\u00e7in, Ravda adas\u0131nda bulunan nilometrenin in\u015fas\u0131n\u0131 y\u00f6netmesi ve yap\u0131lan \u00f6l\u00e7\u00fcm i\u015flerine nezaret etmesi i\u00e7in M\u0131s\u0131r’a g\u00f6nderdi.<\/p>\n
Fergani, fizik ve mekanik alanlar\u0131nda da \u00e7al\u0131\u015fmalarda bulunmu\u015ftur. \u00c7izimini kendi haz\u0131rlad\u0131\u011f\u0131 ve yap\u0131m\u0131na nezaret etti\u011fi Nil nehri sular\u0131n\u0131n h\u0131z\u0131n\u0131 ve seviyesini \u00f6l\u00e7en Mikyas \u00fcl-Cedid ad\u0131nda bir alet yapm\u0131\u015ft\u0131r.<\/p>\n<\/div>\n