"Be Confident in Math"
...Precalculus introduces to students some of very important functions that they will see very frequently in application problems in sciences, techniques and daily life. They are the functions of trigonometry, exponent, logarithm. Precalculus also goes further in elementary geometry such as graphs of parabolas, ellipse and hyperbolas. At last, it is...
10+ subjects, including algebra 1, algebra 2 and elementary (k-6th)