Why a combined 11 and 12th Grade Workbook? This workbook is designed to be used by either an advanced or a regular math track class. The two calculus units are intended for an advanced class, while the two statistics units are more designed for a regular math class. With the exception of the statistics units, an advanced math class ought to be able to work through most of this workbook over the course of the eleventh grade year and the first half of twelfth grade. A regular math track class in eleventh or twelfth grade can simply pick and choose from the many units in this workbook and from units in the second half of the 10th Grade Workbook, such as "Exponential Growth," "Sequences and Series," or "Math and Music".