Brush up on your knowledge of using integration to calculate definite integrals for the Higher Maths exam.

On any given ACT math section, 40-43% of the questions will fall under the category of Integrating Essential Skills, or IES. The makers of the ACT describe these question types as more complex because ...

The questions on the ACT math test are grouped according to two categories: Preparing for Higher Math and Integrating Essential Skills. While the latter category represents less than half of ACT math ...

Revise how to find the area above and below the x axis and the area between two curves by integrating, then evaluating from the limits of integration. Higher Maths - Applying integral calculus.