Fibonacci
Anagraw n usnerni i yeḍfaren umuɣ 1, 1, 2, 3, 5, 8, 13…: yiwen usurif ɣer zdat deffir lexsara, sin ɣer deffir deffir rrbeḥ.
Deg usatal
Yeshel ugar n MartingaletastratijitMartingaleAnagraw n usnerni i yessneggmen rrehn deffir yal lexsara. Walit taggayt n tstratijit i wayen i yettxemmem d wayen ur yettxemmim ara.Ɣer akk →, yeɛṭel ugar i tririt n yedrimen, yerna yettwaḥbes s yiwet n talast n ṭṭablaṭṭablaTalast n ṭṭablaRrehn adday d rrehn afellay i yettwasirgen. Talast tafellayt d ayen i yeḥebsen inagrawen n usnegmu.Ɣer akk →; lexsara yettwaṛǧantusnaktLexsara yettwaṛǧanAzal yettwaṛǧan seg tmerna n yidrimen yettwarhen; d alemmas n wayen yettwaxsar deg yiwet n tɣimit neɣ deg yiwen wakud.Ɣer akk → 2,70% n umḍan n rrhun meṛṛaidrimenAmḍan n rrhun meṛṛaTamerna n yidrimen yettwarhen deg yiwet n tɣimit neɣ deg yiwen wakud, s rrbeḥ i yettuɣalen yettwarhen. Daɣen: handle, action.Ɣer akk →.
Leonardo n Pisa yeglem-d umuɣ-a deg 1202 am tmudemt n tmernit n yiwtal. Yewweḍ ɣer ṭṭabla n rulit azal n 700 n yiseggasen deffir, s yiwen unagraw n rrhun ur yettwassen umeskar-is.