If you're taking math or science courses, you'll most likely only be allowed to use a handheld calculator on exams.When ...

This tells Python to import SymPy into the main namespace, define a symbolic x variable, and set up "pretty printing." This will make the output look more like it does in a math textbook.

As an example, if you wanted to get the time variable, you would use the following: x(-1) Right away, you should notice that this implies that GraviPy uses 1-based indexing rather than 0-based ...