**Calculus** was a branch of mathematics that included the study of limits, derivatives, integrals, and infinite series. Calculus is the study of change, in the same way that geometry is the study of space.

In 2267, Spock used calculus terms to avoid being understood by his Capellan captors. (*TOS* novelization: *Friday's Child*)

## External links

- Calculus article at
, the wiki for canon**Memory Alpha***Star Trek*. - Calculus article at
, the free encyclopedia.**Wikipedia**

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