integral calculus 
noun [mass noun]
A branch of mathematics concerned with the determination, properties, and application of integrals. Compare with differential calculus.There he was to receive a good understanding of basic mathematics studying differential and integral calculus, analytic geometry and the foundations of analysis....
- He studied a lot of mathematics in his own time including trigonometry, differential and integral calculus, and complex numbers long before he met these topics in his formal education.
- There he gave courses on astronomy, celestial mechanics, the differential and integral calculus, the theory of probability, geometry and trigonometry.
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