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## Calculator Functions That’ll Save Your Life

On the AP Calculus Exam, you will be required to use a graphing calculator on both the Multiple Choice and Free Response Section. Thus, you should be a master with your calculator by the time you walk into that exam room. Here are some tips to use your calculator to...

## U-Substitution

U-sub, also known as integration by substitution, is one of the key components of integrals. Chances are, you’ve come across an integral like the one below and been completely lost on where to start. Fear not! In this article, we’ll go over what U-Sub is...

## Defining and Taking Derivatives

At this point, you should be able to recognize quite a few ways to write the derivative: …and so on.Ā However, on the AP exam, you need to know more than just how to write or take the derivative of a function. In this article, I’ll be going over the...

## What is a Limit?

ā šWatch AP Calculus teacher Jamil Siddiqui, the Massachusetts Teacher of the Year 2019, explain graphical limits. What is a limit? A limit denotes theĀ behaviorĀ of a function as itĀ approachesĀ a certain value which is especially important in calculus.Ā In mathematical...