Summary: What is Precalculus?

Precalculus, then, is really just a way to get you acquainted with the main ideas of calculus:

    functions

    rates of change

    accumulation

Moreover, precalculus attempts to show you that each of these ideas can serve as a mathematical model of a tremendous number of phenomena in our everyday experience.

Most of precalculus is just looking at examples, listening for these key words and phrases as they are used to describe different situations, and slowly coming to an understanding of how a few simple notions can help us to appreciate the unity among nature's variety.

Don't expect too much too soon. This kind of understanding comes only with time and practice. Precalculus gives you lots of opportunities to explore these notions in interesting places, at your own pace. Enjoy the trip, enjoy the experiences, and trust your subconcious to begin forming the connections.

Looks like a good day to start your trip. Bon voyage!