The Roman adadi tsarin - shi ne da kyau, amma yana da wuya?

The Roman adadi tsarin ya na kowa a Turai a tsakiyar zamanai, duk da haka, saboda da cewa shi ne m don amfani, a yau shi ne kusan ba amfani. Yana maye gurbin mafi sauki Larabci numerals, wanda ya yi ilmin lissafi shi ne yafi sauki da kuma sauki.

Kamar yadda tushen na Roman tsarin da ake dauka iko na goma, kuma su da rabi. A baya, mutumin da babu bukatar rikodin manyan da dogon lambobi, don haka da wani sa na asali Figures asali ƙare a dubu. The lambobin an rubuta daga hagu zuwa dama, kuma su ware Naira Miliyan Xari da kuma wakiltar wani a kayyade adadin.

Babban bambancin ta'allaka ne da cewa Roman adadi tsarin ne nonpositional. Wannan yana nufin cewa tsari na Figures a cikin rikodin yawan ba ya nuna da darajar. Roman adadi "1" da aka rubuta a matsayin «Na». Yanzu muna sa da raka'a biyu tare da kalle su ma'anar: «II» - wannan shi ne kawai cikin Roman adadi 2, yayin da "11" da aka rubuta a Roman ilimin lissafi a matsayin "XI". Bugu da kari zuwa wasu na asali naúrar Figures a shi an dauke su biyar, goma, da hamsin, mutum ɗari, mutum ɗari biyar da kuma daya dubu, wanda aka denoted ta V, X, L, C, D, kuma M.

A cikin gidan goma tsarin da muka yi amfani da yau, ciki har da a 1756 na farko yawan nufin da yawan dubbai, na biyu - daruruwan, da uku - dubun, kuma ta huɗu ne adadin raka'o'in. Saboda haka, shi ne ake kira sakawa tsarin, da kuma kirga ta yin amfani da ake yi ta ƙara Game da ragowa da juna. The Roman adadi tsarin da aka shirya quite daban: shi yana da darajar dukan lambobin ne mai zaman kanta da oda a rikodin lambobi. Alal misali, don fassara da lambar 168 dole ne a dauke cewa duk da shi za a iya samu daga ainihin haruffa: idan lambobi zuwa hagu fiye dama lambobi, wadannan lambobi suna dauke, a wani hali - folded. Saboda haka, 168 za a rubuta kamar yadda CLXVIII (C-100, lx - 60, Sabunta - 8). Kamar yadda ka gani, da Roman adadi tsarin yayi quite amfani da tsauraran matakan rikodin lambobi, yin shi musamman m Bugu da kari kuma subtraction na manyan lambobi, ba a ma maganar da hali na su rabo da multiplication ayyukan. The Roman tsarin yana da wani babbar drawback, wato rashin sifili. Saboda haka, aka yi amfani da zamanin yau na musamman ga koma zuwa surori a cikin littattafai, lambobi ƙarni, commemorative kwanakin, inda babu bukatar for dauke da fitar ilmin lissafi ayyukan.

A rayuwar yau da kullum da shi ne sauƙin amfani da gidan goma tsarin, da darajar da lambobi a cikin abin da aka alaka da yawan sasanninta a kowane daga cikinsu. Ta fara bayyana a cikin VI karni a Indiya, da kuma haruffa a cikinsa har abada anchored kawai ga XVI karni. A Turai, India Figures, kira Larabawa tsinkãyi ta wurin aikin sanannen lissafi Fibonacci. Don ware da lamba kuma fractional sassa a cikin Larabci tsarin yana amfani da wani wakafi ko lokaci. Amma a kwakwalwa mafi yawa amfani da binary tsarin, wanda shi ne na kowa a Turai, godiya ga aikin da Leibniz, wanda shi ne saboda gaskiyar cewa triggers ana amfani da kwamfuta fasaha, wanda zai iya zama kawai biyu aiki matsayi.