Mabudin Kunnuwa


Babbar hidimar da Imam Al-Khawaarizmi ya
yi wa fannin kimiyya shi ne kan lissafi (Mathematics & Arithmetics),
da ilmin sararin samaniya (Astronomy). Dukkan masana fannin lissafi da
ke kasashen Turai – na karnin baya da na yanzu – sun yi ikirari da cewa shi ne
asalin wanda ya samar tare da inganta fannin ka'idar lissafi kan "ragewa
da daidaito", ko Aljabru wal Muqaabala, a harshen Larabci, ko Algebra
a Turance, da dukkan nau'ukanta – irinsu Trigonometry, da Linear
Equation, da kuma Quadratic Equations. Hakan na taskance ne cikin shahararren littafinsa
mai suna Al-Kitaabul Mukhtasar fee Hisaabil Jabr wal Muqaabalah. Khalifah Ma'amoon ne ya zaburar da shi
wajen rubuta wannan littafi. Robert da
Gerard sun fassara littafin zuwa harshen Latin.
A halin yanzu akwai kwafin littafin, wanda ya rubuta da larabci, a
Jami'ar Oxford. Wannan fannin
ilmin lissafi ne ya samar da asalin ilmin tsarin yadda kwamfuta ke lissafi, da
yadda take iya kurumtar da bayanai (Cryptography) da kuma yadda ake
tsara hanyoyin gina masarrafar kwamfuta, watau Computer Algorithm. Ya kuma yi bayanin hanyoyin da fannin lissafi
ke taimakawa wajen kasuwanci da kuma tsarin rabon gado, duk ta wannan fanni na "Ragewa
da Daidaito", watau Algebra.
Daga cikin hidimarsa har wa yau akwai
littafin da ya rubuta mai dauke da lissafin tazarar da ke tsakanin halittun
sararin samaniya, irin Rana, da Wata a yayin da suke juyawa ko shawagi. A cikin
wannan littafi mai dauke da babuka talatin da bakwai har wa yau, ya kididdige
jadawalolin da ke dauke da wannan lissafi watau Astronomical Tables. Ya yi nazarin asalin wannan littafi ne
daga nau'ukan ilmin sararin samaniya da aka rubuta cikin harshen Hindu na kasar
Indiya. Masana sun fahimci hakan ne daga sunan da ya baiwa littafin bayan ya
rubuta, watau: Zinjul Sindhind. A
cikin wannan littafi har wa yau ya yi bayanin yadda duniyoyi biyar da aka gano
a wancan lokaci (watau The Five Planetary Bodies) suke juyawa. Bayan
haka, akwai littafi da ya rubuta mai suna Kitaabu Sooratil Ard, a fannin
ilmin kasa (Geography). Wannan
littafi yana dauke ne da yadda duniya take, da abubuwan da ke cikinta ko
samanta na teku da rafuka da sauransu. A
cikin littafin ya yi bayanin tazarar nisar duniya a kwance (Latitude) da
kuma tazarar nisanta a tsaye (Longitude), da yadda tsarin rani da damina
ke kasancewa. Bayan haka, ya samar da babbar Taswirar Duniya, watau Global
Map, wanda har yanzu ake amfani da shi (watau taswirar duniya mai kamar
kwallo). A ciki ya haddade fadi da
tsawon manyan tekunan duniya, ya kuma gano wasu, ta hanyar ilmin gano bigiren
kasa ta hanyar lissafi. Har wa yau akwai
kwamiti na musamman da Khalifah Ma'amoon ya kafa mai dauke da masana kimiyyar
sararin samaniya guda 70, Imam Al-Kawaarizmi ne ya shugabanci wannan kwamiti.
Wannan ke nuna kwarewarsa, da kuma tasirin
ilminsa a zamanin da yake raye. Allah ya
karbi rayuwarsa a shekarar 850 miladiyya, shekaru kusan 1200 kenan; yana dan
shekaru 70 a duniya. Allah ya rahamshe
shi, ya kuma sa aljanna makomarsa, amin.
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