Ti 84

Just received an email from marketing at Texas Instruments alerting me that they released a new operating system for the TI-84 plus a couple of days ago. The newest release for the TI-84 is 2.55MP. This new TI-84 OS offers templates (or “wizards” as TI calls them) for statistics features, such as regressions and statistics. The email also said users have the ability to paste these commands back to the home screen so they can be used in other calculations.

TI-84 StudyCard app

By Tech Powered Dad in resources

November 29, 2010

Just wanted to write a quick post about the StudyCard app for the TI-83 plus and TI-84 plus. Got some inquiries about ACT and SAT StudyCards after I wrote The Top 6 TI-84 Plus Apps, and I wanted to talk a little bit more about the app. There are so many possibilities with the StudyCard app it could make your head spin. To review, the app basically turns your TI-84 into a virtual flash card computer.

Texas Instruments official: TI is not discontinuing TI-84+ SE in North America

By Tech Powered Dad in calculators

November 16, 2010

Please click here to get your TI-84 Plus on Amazon. UPDATE (11/16/10) TI-84+ SE not discontinued in North America As promised, I am continuing to update the original story below. Today, I received an email from Dale Philbrick, marketing manager for mathematics at Texas Instruments. Mr. Philbrick says that the internet rumors of the demise of the TI-84+ Silver Edition are unfounded and that Texas Instruments has no plans to discontinue the Silver Edition in North America at this time.

Texas Instruments TI-Navigator Review

By Tech Powered Dad in calculator reviews

October 13, 2010

Click here Click here to buy the TI-Navigator on Amazon. I got a chance to check out TI-Navigator up close and personal over the weekend as part of the TI User group I’m a part of. Texas Instruments has put together an impressive product here, with far greater capabilities than I was expecting. Essentially, TI-Navigator gives a teacher the ability to connect their computer to an entire classroom of TI-84 plus or TI-Nspire calculators.

Top 6 Apps for the TI-84 Plus

By Tech Powered Dad in apps

September 22, 2010

What Are the Best Apps for the TI-84 Plus? PLYSMT2 PuzzPack Studycard Guess My Coefficients Conics Solve It! If you’ve just picked up a new TI-84 plus, one of your first questions is probably, “What are the best apps this thing?” There are many. In fact, the TI-84 Plus (especially Silver Edition) comes loaded with a lot of junk you’ll probably never use because many of the preloaded apps are for languages you don’t speak.

Video Lesson: Tables on the TI-84

By Tech Powered Dad in algebra

September 17, 2010

The table feature allows you to quickly scroll the an x vs. y chart on your TI-84. This can be useful as early as first year algebra for students that are just learning to graph. It’s even more helpful to calculus students using their calculator to help find a limit. The end of the video demonstrates a quick method for using the table’s “ask” feature to help find a limit.

TI-84+ jailbreaks the PS3

By Tech Powered Dad in Fun stuff

September 8, 2010

The process of “jailbreaking” or “rooting” devices such as iPods, iPhones, Android phones, and PlayStations has become increasingly popular among the tech savvy because it allows users greater freedom to install apps and perform customizations normally available only to developers. The amount of time and the procedure the process requires can vary from hours sitting at a computer to seconds on a website. Now comes word that hackers have found a way to jailbreak the Sony’s PS3 using something very familiar to Tech Powered Math readers–a TI-84+ (silver edition not required).

Video lesson: Finding the intersection of two graphs on the TI-84

By Tech Powered Dad in algebra

September 7, 2010

In this video lesson, you’ll learn how to find the intersection of two graphs on the TI-84+ graphing calculator. The two functions graphed here are a line and parabola, but you could use this same approach for the intersection of two lines, or virtually any functions the TI-84 can graph. It’s also certainly possible to have more than two functions graphed at a time. You just have to let the 84 know which two functions you are trying to find the intersection of.

Video lesson: Solving polynomial equations on the TI-84

By Tech Powered Dad in algebra

August 28, 2010

When you are solving a quadratic equation, you have a lot of options. You can factor, complete the square, or use the quadratic formula. But what about polynomials with a degree (highest exponent) that is higher than two? These can be difficult to factor with the types of factoring you learn in a high school algebra class. This video lesson explains how you can use an app included with the TI-84+ Silver Edition to solve a polynomial equation.

Video lesson: Definite integrals on the TI-84

By Tech Powered Dad in calculators

August 19, 2010

Teaching calculus students how to do integration goes way beyond the scope of a short article or video. The basics of taking a definite integral on the TI-84+, however, are pretty straightforward. This video lesson covers how to find a definite integral on a TI-84 plus both within the home screen and within a graph.

Texas Instruments releases new OS for TI-84, 2.55 MP

TI-84 StudyCard app

Texas Instruments official: TI is not discontinuing TI-84+ SE in North America

Texas Instruments TI-Navigator Review

Top 6 Apps for the TI-84 Plus

Video Lesson: Tables on the TI-84

TI-84+ jailbreaks the PS3

Video lesson: Finding the intersection of two graphs on the TI-84

Video lesson: Solving polynomial equations on the TI-84

Video lesson: Definite integrals on the TI-84

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