Jeff McCalla

Jeff McCalla teaches Algebra 2 and Pre-Calculus at St. Mary's Episcopal School in Memphis. He is a T3 instructor for Texas Instruments and co- founder of the TI-Nspire SuperUser group.

Articles & Books From Jeff McCalla

TI-84 Plus CE Graphing Calculator For Dummies
You and your trusty TI-84+ can ace math, together Graphing calculators are an essential tool in many high school and college math courses. TI-84 Plus CE Graphing Calculator For Dummies teaches you how to use these handy little machines with confidence, for basic math and far, far beyond. Packed with insider tips, common mistakes to avoid, and updates on the newest products available, this is the must-have reference to get the most out of your graphing calculator.
Cheat Sheet / Updated 10-21-2022
The TI-84 Plus CE graphing calculator is one of the most popular calculators in the world. Find out the important keystrokes you need to know to use the TI-84 Plus, and learn the math functions and constants that the TI-84 Plus CE makes available to you.Get to know the basics of graphing on your TI-84 Plus CE, as well as how to use the calculator’s zoom commands and special menus.
Video / Updated 11-19-2018
You can find the standard deviation of a data set in two ways with your TI-84 Graphing Calculator. First, have a look at the long lists to calculate the standard deviation from scratch on the TI-84 Graphing Calculator. Then see how to quickly find the standard deviation using one-variable stats. To help your understanding of standard deviation, this video explains what the abbreviations mean and where you can access these variables in your TI-84 Graphing Calculator.
Cheat Sheet / Updated 02-17-2022
The TI-Nspire device is the most sophisticated handheld graphing calculator available, allowing users to display and evaluate values symbolically, and to reuse the same equations across multiple applications. Because it’s so sophisticated, navigating its features can sometimes be confusing. It helps to know a variety of methods of achieving your aims with the device.
Step by Step / Updated 03-27-2016
The Ti-84 Plus calculator can handle three decision commands (If, If . . . Then . . . End, and If . . . Then . . . Else . . . End). Here is how to use these commands in a program.The If commandThe structure of the If command appears in the first screen. If the condition following the If command is true, the program executes the command following the If statement (Command 1) and then moves on to the next command in the program (Command 2).
Cheat Sheet / Updated 01-21-2022
The TI-84 Plus C graphing calculator is one of the most popular calculators in the world. Find out the important keystrokes you need to know to use the TI-84 Plus, and learn the math functions and constants that the TI-84 Plus C makes available to you.Get to know the basics of graphing on your TI-84 Plus C, as well as how to use the calculator’s zoom commands and special menus.
Step by Step / Updated 01-26-2022
Even the best calculating machine is only as good as its input. This list identifies ten common errors made when using the TI-84 Plus calculator. Wouldn’t it be great to avoid some of the common errors that normally plague students who are using calculators?Using [–] instead of [(-)] to indicate that a number is negative.
Article / Updated 03-26-2016
The often overlooked Test menu on the TI-84 Plus enables you to use your calculator in creative ways to solve problems. Do you want to do better on your next standardized test? Some of these tips just might help your score. Understanding Boolean logic Have you ever wondered how your calculator “thinks"? Your calculator employs Boolean logic and prefers to work with the integers 1 and 0.
Article / Updated 03-26-2016
Many functions can be graphed by accessing commands commonly used in the TI-Nspire Calculator application. The greatest integer function, y = int(x), is one such graph, which you create by following these steps: Position the cursor next to the first available function line. Open the Catalog. If necessary, press [1] to activate the first category containing the alphabetical listing of all commands, functions, and symbols.
Article / Updated 03-26-2016
You can use the cable that came with your TI-84 Plus calculator to connect your calculator to your computer. The USB computer cable that came with your calculator is a USB-to-mini-USB cable. Because the ends of this cable are of different sizes, it’s easy to figure out how to connect your calculator to your computer; the small end fits in the right slot on the top of your calculator and the other end plugs into one of your computer’s USB ports.