Integral calculus and Infinitesimal calculus

Integral calculus noun - The part of calculus that deals with integration and its application in the solution of differential equations and in determining areas or volumes etc..

Infinitesimal calculus and integral calculus are semantically related. In some cases you can use "Infinitesimal calculus" instead a noun phrase "Integral calculus".

Infinitesimal calculus noun - The branch of mathematics that is concerned with limits and with the differentiation and integration of functions.

Integral calculus and infinitesimal calculus are semantically related. Sometimes you can replace phrase "Integral calculus" with "Infinitesimal calculus", this phrases are similar.