Ability to perform symbolic computations is a crucial component of any mathematics-oriented package. Symbolic mathematics is used to work with complex expres...
"In computer science, syntactic sugar is syntax within a programming language that is designed to make things easier to read or to express. It makes the language "sweeter" for human use: things can be expressed more clearly, more concisely, or in an alternative style that some may prefer." -- https://en.wikipedia.org/wiki/Syntactic_sugar