One of the core disciplines within science. The major fields within mathematics are algebra, analysis, number theory, topology, geometry, combinatorics, and logic. Math is concerned with structure, space, change, and quantity.
Mathematics requires much rigor for writing proofs. Most people are only introduced to mathematics that does not require such rigor. Mathematics is extremely influential in many fields, and, without it, modern society would not be the same - it would be less advanced.
It is only two weeks into the term that, in a calculus class, a student raises his hand and asks: "Will we ever need this stuff in real life?" The professor gently smiles at him and says: "Of course not - if your real life will consist of flipping hamburgers at MacDonald's!"
Q: What is the difference between a Ph.D. in mathematics and a large pizza?
A: A large pizza can feed a family of four...