## Enabling Test Mode on the TI-84 Plus CE

Entering Test Mode (or “Press-to-Test Mode”) on a TI-84 Plus CE is a way of ensuring that students are not able to access any unauthorized programs or files when taking an exam. While it is not immediately obvious how to enter this hidden mode, it will be easy for you to do once you learn … Read more

## TI-84 Plus CE: Turning On and Off

Turning your TI-84 Plus CE graphing calculator on and off can be accomplished quickly once you learn how to do it. Here is a quick guide to help you out: Turning Your Calculator On To turn your calculator on, all you need to do is press the “On” button in the lower left corner. If … Read more

## Any Base Logarithms on the TI-84 Plus CE

Calculating logarithms on the TI-84 Plus CE graphing calculator (or any other TI-84 Plus, for that matter) is a common operation used in many high school level classes. Most students know that you can calculate a base 10 logarithm by pressing the [log] button on the keypad, but the option to change the base is … Read more

## How to Calculate Factorials on the TI-84 Plus CE

Using the factorial function on the TI-84 Plus CE graphing calculator can be useful when calculating permutations or other such statistical calculations. Students usually learn about factorials in introductory algebra courses for their use in probability, but will often forget what they are, as they aren’t used a whole lot until later courses. Here is … Read more

## How to Factor Polynomials on a TI-84 Plus CE

Polynomials can be solved by using several different methods, such as the quadratic formula or a method known as factoring. Factoring allows you to rewrite polynomials in a form that makes it easier to find the solutions/roots of your equation. But what many fail to realize is that this process can be automated using your calculator. … Read more

## TI-84 Plus CE: Working with Fractions

The TI-84 Plus CE graphing calculator offers the ability to use fractions in calculations, but these options are hidden away in the calculator’s menus. Once you learn how to use these functions, you will be able to calculate using fractions, convert between fractions and decimals, and convert between improper and mixed numbers. Ready to learn … Read more

## How to Graph Functions on the TI-84 Plus

You would think that it would be easy to graph an equation/function on a graphing calculator. However, despite it being easy to learn, it is not immediately obvious how to find and use this functionality. This guide will show you everything you need to know about graphing equations, and applies to every model of the TI-84. This includes the TI-84 … Read more

## Downloading Apps/Programs on TI-84 Plus Calculators

Downloading apps and programs onto your TI-84 graphing calculator can extend its abilities, help you gain an edge over your competition in high-stakes tests, or even let you play games on your calculator. This How-To guide applies to every TI-84, including the TI-84 Plus CE, TI-84 Plus, TI-84 Plus C Silver Edition, and TI-84 Plus Silver Edition … Read more

## How to Reset a TI-84 Plus Graphing Calculator

Resetting your TI-84 Plus graphing calculator is a good way to return it to its original, factory state. This is useful for teachers who want to clear calculators before a test, or for a student that wants to fix a calculator that is acting oddly. This How-To guide applies to all models of the TI-84 … Read more

## How to Use Wabbitemu: A Free TI-84 Emulator

Texas Instruments sells a TI-84 Plus CE calculator emulator called “TI-SmartView CE”, and expects us to use it if we want to emulate a TI-84 on our computers. The price? Brace yourself. It costs \$85.00. And you have to buy at least 5 copies. You might as well just buy a few more calculators with a price tag like … Read more