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

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

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

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

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

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

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 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

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

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

TI-84 Plus graphing calculators offer the ability to easily run programs and apps, such as quadratic equation solvers and Gameboy emulators. While these programs are certainly useful, there are times when you may wish to remove them from your calculator. The process to remove them from your calculator is a bit unintuitive, but is not … Read more

All of the TI-84 Plus graphing calculators, including the most recent TI-84 Plus CE have a special mode designed for taking tests known as “Test Mode” (or “Press-to-Test Mode”). When enabled, your calculator will be rendered incapable of using or creating any programs/apps whatsoever. The purpose of this Test Mode is to limit the use of … Read more

Staying up to date on the latest operating system for the TI-84 Plus CE graphing calculator gives you access to the newest and greatest updates Texas Instruments has to offer. This includes everything from bug fixes to entirely new features: no matter the changes, it never hurts to update! How to Check What Version You Have On … Read more

When it comes to buying a graphing calculator, it is no secret that these calculators are not cheap. Many students and parents wonder what the real difference is between the available calculators and which one they should buy. Equipped with the fear of choosing the wrong calculator, many turn to comparison websites for the answer. If you … Read more

Memorizing the quadratic formula is a problem that can usually be solved with the help of a few helpful songs. But what many students fail to realize is that they can greatly speed up the rate by which they solve the problems.  Introducing The Quadratic Formula Program One of the many secret weapons of calculator masters is … Read more

The Numworks Calculator is an incredibly powerful and modern calculator. This tutorial series will teach you everything you need to know to become a Numworks Calculator Wiz! Numworks Crash Course: Calculations This video contains everything you need to know to perform basic calculations using the Calculations Application of the Numworks Calculator. Numworks Crash Course: Functions This … Read more

Putting games on a graphing calculator is hardly anything new. However, the selection of games is not exactly vast, and many people grow tired of them fairly quickly. This is all about to change. Introducing TI-Boy CE, a Game Boy emulator for the TI-84 Plus CE, TI-84 Plus CE-T, and TI-83 Premium CE. It is available … Read more

Every year, thousands of students around the world are instructed to buy a graphing calculator for their math courses. Typically, this is the latest TI-84 calculator. This common choice is not without its benefits: the popularity of this calculator means that students can more easily find resources and programs that can help them to succeed. … Read more

Memorizing sucks. We have all had that experience in school, taking a test or quiz, where we just blank out and forget that important formula you need to know. If you are like me, your brain just is too unreliable to store information and decides to forget it at the worst times. If this applies … Read more

Solving for a certain variable is a common task almost all math classes. All TI-84 Plus graphing calculators have a built-in program for solving these equations, which can save time during homework or exams. What You’ll Need A TI 84 Plus CE Calculator (or TI-84 Plus CE-T/TI-83 Premium CE) That’s it. No other programs needed! … Read more