Calculus

Calculus shine nazarin lissafin lissafi na ci gaba da canji, kamar yadda geometry ke nazarin siffa, algebra kuma shine nazarin gabadayan ayyukan lissafi. Asalin ƙididdiga mara iyaka ko “kididdigar  
Kididdiga marasa iyaka”, tana da manyan rassa guda biyu, kididdiga daban-daban da kididdiga na hadin kai.DeBaggis, Henry F.; Miller, Kenneth S. (1966). Foundations of the Calculus. Philadelphia: Saunders. OCLC 527896.

Tsohuwar ta shafi sauye-sauyen nan take, da gangara na masu lankwasa, yayin da na karshen ya shafi tarin yawa, da wuraren da ke karkashin ko tsakanin masu lankwasa. Waɗannan rassa guda biyu suna da alaka da juna ta tushen ka'idar lissafi. Suna yin amfani da mahimman ra'ayi na haduwa da jerin abubuwan da ba su da iyaka da kuma marasa iyaka zuwa kayyadaddun iyaka.[4] Hoffmann, Laurence D.; Bradley, Gerald L. (2004). Calculus for Business, Economics, and the Social and Life Sciences (8th ed.). Boston: McGraw Hill. ISBN 0-07-242432-X.
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