Finding the mean of a list is one of the most important things to learn. Instead of adding up everything to average, this tutorial will show you how to use the built in function for the average, or mean, of a list.
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Pi is a very important symbol in mathmatics, and can be accesed on almost every calculator more sophisticated than a 4-function calculator. In this tutorial, you will learn how to access the Pi symbol on the TI-83+. Read more…

Sometimes, your calculator screen may seem blank. There are three main causes for this: Your calculator is out of batteries, your calculator is off, or your contrast is too low. This tutorial will teach you how to change your contrast on the TI-83+ calculator.
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In this short tutorial, you will learn how to subtract two different numbers on the TI-83+ calculator. In this example, we will subtract “4″ from “5″. Read more…

In this short tutorial, you will learn how to add two different numbers on the TI-83+ calculator. In this example, we will add the numbers “1″ and “4″ together. Read more…