What are some practical applications of Calculus?

The biggest thing that Calculus teaches students has little to do with the formulas you have to know. Calculus deals with a much more abstract approach to mathematics than does algebra. This teaches students to think more spatially and it is there that the major advantage is found.

Spatial thinking can be useful in music, architecture, computer programming, and many other sorts of disciplines. Also, when you have a proper grasp of calculus, you can branch out to other sciences. The biggest area that people take for granted that uses calculus is in construction.

The angles and stresses a construction crew must work with are very difficult to express without at least a fundamental knowledge of calculus. Should you ever want a real world example, look at a stair case. The rise and run of the stairs was determined using calculus.

And when the stairs end abruptly you'll know the foreman should've studied a bit harder in class.

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