Calculus is a generic term referring to any form of mathematics which has axioms and at least one fundamental theory. Some examples of mathematics that can be categorized as calculus are: algebra, geometry, arithmetic, etc.

Due to corruption of the definition over time, in modern usage "calculus" almost exclusively refers to "The Calculus." The Calculus is also known as "Newton's Calculus," or "Leibniz’s Calculus" depending on who you ask. Mathematics majors tend to refer to The Calculus as "Leibniz’s Calculus" and physics majors tend to refer to The Calculus as "Newton's Calculus.”
Any Given Major: "I need help with my calculus homework."
Physics Major: "Are you referring to 'Newton's Calculus?'"
Math Major: "I think you mean 'Leibniz's Calculus'"
Physics Major: “No, I mean ‘Newton’s Calculus,’ because Newton slapped Leibniz around like a step-child at Wal*Mart.”
Math Major: sob sob
by Andrew April 04, 2005
Form of math derived by Isaac Newton consisting mainly of derivatives and integrals. Allows one to get the slope of the tangent line of a curve or the area under the curve, respectively. Extremely useful in almost all areas of science. Newton wrote it in two weeks, and often takes us about a year to learn.

From calculus, we know that the derivative of position is velocity, and the velocity is acceleration. A third derivative, the jerk (what you feel when a car suddenly stops), can be found, but is not seen as often. These relationships are crucial to the physical sciences.
by MikeNolan October 20, 2003
A topic that most people don't understand because they're too stupid.
Some have a superficial understanding of this topic.
implicitly differentiate x^2 + y^2 = 2, biatch!!
by LeonC March 30, 2004
It's a type of hard plaque generally found on teeth.
Dude, I've got calculus...
by A equals A April 12, 2005
Something warm, fuzzy, and incredibly useful.
A point mass moves in the xy-plane with a velocity given by 6t2+9t+2. What's its average velocity between t=1 and t=4?

Try solving that one without calculus.
by calculus is 1337 September 19, 2005
The greatest thing on the entire planet!
Calculus is better than sex.
by Peter C Keizer September 18, 2005
1. Math invented by Sir Isaac Newton in the 17th century. Involves calculating "limits", numbers that are normally unable to be calculated except through differentiation.

2. The mathematics of Limits and Derivatives.

3. A freakin' impossible math class. Calculus AB is too hard, BC is impossible.
"I hate Newton, he should shove Calculus up his ass, the wanker"
by Jordon December 10, 2003

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