Posts filed under ti89

TI89 Titanium Cheat Sheets , Shortcut Keys, Custom Menus and Rename Programs – Nifty things for savvy TI89 user

We have listed the following useful information at https://www.ti89.com/resources.php : TI89 Cheat Sheets Shortcut Keys Custom Menus Rename Programs This is a MUST KNOW for every savvy TI89 user: Learn how to use the TI89 efficiently by pressing the right buttons without searching. Did you know you can actually easily create you own custom menus… (read more)

How to Connect a Ti89 Calculator to Mac Computers using TI-Connect v4.1

Here is a proven way for those of you that struggle to connect your Ti89 calculator to a MAC computer. This is what you need to do to get connected: Uninstall TI Connect v4.0 if installed. Download and Install TI Connect version 4.1  : https://education.ti.com/ticonnect/ticonnectmac41 . Beware: this link immediately downloads the .dmg file to your… (read more)

Balancing a chemical equation using the TInspire CAS CX and the Chemistry Made Easy app – step by step

Here is a solved example: When balancing the chemical equation: Fe2S3+O2=Fe2O3+SO2 The setup is a_*Fe2S3+b_*O2=c_*Fe2O3+d_*SO2 or : a_*(2Fe+3S)+b_*(2O)=c_*(2Fe+3O)+d_*(1S+2O) This sets up : 2*a_=2*c_ and 3*a_=d_ and 2*b_=3*c_+2*d_ which has the solution : {a_,b_,c_,d_}={2,9,2,6} Thus, 2*Fe2S3+9*O2=2*Fe2O3+6*SO2 —

TI89 Made Easy Apps helped me to learn the material faster and perform better on tests

“The TI89 Made Easy apps helped me with test concepts in a way that provided me to learn the material faster. This helped me to perform well on exams.” Review of Long Time Made Easy Customer (Used 10 apps)

How to do Proof by Induction on the TI89 using Finite Math Made Easy

NEW APP: Solve Numerical problems step by step using the TiNspire

Numerical Analysis Made Easy for the TiNspire CAS CX was just released at http://www.tinspireapps.com/?a=NAME . Great for numerically solving Differential Equations, Taylor Series, Differentiation, Integration, Matrices, Regression, Markov Chains, Polynomials , Algebra and more. For more details check out : http://www.tinspireapps.com/?a=NAME

It’s like Wolfram Alpha in your TI calculator

love your products , great learning tool !!!

I have high regards for your product and customer service, Ive bought 4 different apps over the past year or two and Linear Algebra Made Easy being the 5th. Overall I love your products , they are a great learning tool to me. I am currently enrolled in an electrical engineering technology program. A lot… (read more)

Help me to understand the series module of the Calculus program

The sums of any series can be found under F2 C , just enter the series. Thats for questions 1 and 2 Now, since the series in 1) is a converging geometric series you could also use the geometric series test under F2 3 . For 3) use the integral test under F2 4 :… (read more)

thank you for the outstanding customer support

Hi Mike, I just wanted to thank you for the outstanding customer support. When I submitted a question to you regarding some functionality in SPME, I certainly wasn’t expecting a response within hours, especially on a Sunday. It’s been a long time since I received such a rapid and professional response from an online vendor…. (read more)