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Calculus is used alot in the real world, a common example is in impact testing for cars. When a car is thrown at a wall, the time it takes to hit the wall and the distance it travelled are known. However if you want to calculate a velocity at ANY point along the line you have to formula an equation and then differentiate it to find out such a thing. Example:
y = velocity m/s
dy/dx = acceleration 0m/s/s
y = x^3 - x^2 + 6
dy/dx = 3x^2 - 2x
So therefore
0 = 3x^2 - 2x
Simplifying:
2x = 3x^2
2/3 = x
Plugging back into the real equation of y = x^3 - x^2 + 6 when x = 2/3
y = 5.85185 m/s
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How often is calculus used in the real world?
Depends on the work you do. For example, say you work at a supermarket, either at a cash register or arranging stuff in the shelves, you would probably not use calculus in your daily work; if you are an economist consultant that has to try to optimize profit for the same supermarket, it is quite possible that you do use calculus.
What object can you use measuring calculus?
Calculus is a mathematical technique: it is not a unit or tool for measurement.
Why is calculus so useful in science and engineering?
Speaking as someone who is in the engineering field i can tell you that calculus serves no purpose at all for me. Everything is just done with a calculator or a computer so it's all just a bunch of hogwash they put you through for Engineering school that you will never use in the real world unless you are to become a program writer or work in physics.
How do you use real numbers in real world situations?
Unless you are an electrical engineer or a math teacher, every number you will ever use in a real world situation will be a real number.
What math comes after calculus?
Differential equations, Linear Algebra, Abstract Algebra, Real and Complex Analysis, Advanced Calculus, and lots of other fun stuff.
