UPDATE: If you are interested in the TI-84+C, please check out my TI-84+C Review. I was fortunate to receive a pre-release device from TI for review purposes. After word broke last week of a possible new graphing calculator from Texas Instruments, I reached out to TI, asking if they’d be willing to make any on… Continue Reading
Category Archives: TI-84
TI-84 vs. TI-Nspire CX Review
Whether you’re in the market for your first graphing calculator, or replacing an old friend, it’s no small investment. Most of the popular graphers on the market today cost over $100.… Continue Reading
Texas Instruments releases new OS for TI-84, 2.55 MP
Texas Instruments just released a new OS for the TI-84 plus. The release of 2.55 MP seems to indicate TI is not abandoning the TI-84 for the TI-Nspire just yet.… Continue Reading
Texas Instruments official: TI is not discontinuing TI-84+ SE in North America
UPDATE: Texas Instruments contacted me to put to rest rumors that the TI-84+ SE is being discontinued, at least in North America.… Continue Reading
Video lesson: Definite integrals on the TI-84
This video lesson covers how to find a definite integral on a TI-84 both within the home screen and within a graph.… Continue Reading
Video lesson: Basic graphing features of the TI-84
This video lesson covers and introduction to graphing on the TI-84. Inputting equations, tracing functions, and adjusting the graph window, and using zoom features are all explained.… Continue Reading
Video review: TI-84 vs. TI-Nspire buying guide
Our video review of the TI-84 and TI-Nspire.… Continue Reading
Video lesson: Imaginary and complex numbers on the TI-84+
This video lesson includes a brief explanation of complex numbers and a tutorial on how to use your TI-84 to do calculations involving complex numbers. … Continue Reading
Video lesson: Solving a system of equations with the TI-84+
When you are given multiple equations and multiple variables, a graphing calculator can be a lifesaver. New versions of the TI-84 come with a pre-installed app the makes these problems a snap. This video lesson covers solving systems equations by the elimination, or linear combination method, before covering how to use the TI-84 to solve.… Continue Reading
Video lesson: Degrees-minutes-seconds on the TI-84+
If you’re a student of geometry or trigonometry, you’ve probably come across problems involving degrees, minutes, and seconds. This is an alternative to measuring in decimal degrees, and it works a lot like time.… Continue Reading