# Definition:Calculus/Integral/Linguistic Note

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## Linguistic Note on Integral Calculus

The term **integral calculus** is the Anglified version of the neo-Latin phrase **calculus integralis**, made popular by Gottfried Wilhelm von Leibniz.

At first he suggested **calculus summatorius**, but in $1696$ he decided with Johann Bernoulli that **calculus integralis** would be better.

Some sources suggest that the name **integral**, first used by him in $1690$, may well have been coined by Jacob Bernoulli.

## Sources

- 1992: George F. Simmons:
*Calculus Gems*... (previous) ... (next): Chapter $\text {A}.19$: Leibniz ($1646$ – $1716$) - 1992: George F. Simmons:
*Calculus Gems*... (previous) ... (next): Chapter $\text {A}.20$: The Bernoulli Brothers