naver-site-verification: naver47238a1b6bfbb19a2fd4b619734fa9a6.html
top of page

Reviews from website visitors and program users
names have been omitted

1: Hello, could you please send EIGENVAL.8XP to ****** I love your website. btw it has been very helpful to me.

2: The partial fraction decomposition is all I need. I didn't realize you had so many other ones as well, great stuff! Thanks

3:I would like to get access to the "SOLV234.8xp" program. Thanks for your help

4: I hope this email finds you well, I would like to kindly request for a program that can help solve eigen values

5: I just wanted to thank you for the program. It works perfectly and will be an extreme help on my upcoming exam. Also noticed the Dutch and had to respond. I am hoping to pursue a master’s degree in aerospace at TU delft. Anyway, bedankt voor de hulp!

6: Once I found your website, it was super easy to locate what I needed because your topics on the main page matched my class titles almost perfectly XD

I'm a junior at the university of Arizona, and I'm taking an engineering mathematics class and a circuits class, so your website has been great

7:Hey, I was wondering if I can get access to download the partial fraction decomposition program for my calculator. I would really appreciate it. Thanks

8: -Hi, how do I obtain the programs on your site? Namely, the Nyquist and Bode programs.


-I send them tomorrow 

Sweet, can't wait!  Best regards,

9:I am from Texas, and thank you for the program. (eigenvalue)

10: Thank you for the programs! I am from Italy

11: Bye! I am an Italian automation engineering student. I have recently purchased the ti 84 calculator, and I am really interested in giving it the maximum potential for use. I would be really interested in the app for controlling automatic systems.


12 : Hello there, My name is ********** and I am a student at San Francisco State University studying mechanical engineering. I am currently taking linear systems analysis and performing Laplace transforms frequently. Use of your program would be greatly appreciated. 

Thank you for your time and work.

13: Thank you very much!! 
I am from Connecticut, USA and am currently studying Electrical Engineering at Brown University in Providence, RI.


14: Enviado do Email para Windows

I am a control and automation engineering student from Brazil and I study at UFMG. I would like to have some control programs, like Nyquist diagram, bode , maybe an digital control program.

Thanks 😊

15: wow, thank you, I will test it out. I am from the United States. I'm taking an online class (ordinary differential equations) and my professor literally just gave us slide shows and a book. I can do this problem, but it takes me about 1 hour per problem. The test is only 2 hours and has 15 questions, and my prosser strictly does not give any extra credit. I will for sure mention the website. Thank you. Where are you from!?

16: Dear Sir, I will like to request for the program as mentioned in the subject.

Please send me the program file. Thank you very much! 

17 :I'm a student who needs to quickly compute eiginvectors. I began writing a code for my TI84 Plus CE, but found that you might already have a program based off this website: 

I was hoping I could get your program as I go on my academic career. Thank you!

18: Hello, This is *****. I came across the Partial Fraction decomposition program examples and I would really appreciate if I can receive this program. As an aspiring Mechanic engineering student, this will be very beneficial. Thank you in advance!

19: Dear ... Greetings. May I request for a copy of the TI-84 Plus program for finding the Eigenvalues(similar to Matlab)? Thank you! 


20: Good evening,

My name is ............ I am a student of Concordia University and I study computer engineering there. I am very interested in your program of first and second order equation solvers for my math courses and would like to try on my calculator TI-84 Plus(gray). Could you please send them to me? Thanks! Sincerely,

21: Hello, I from a small farm and ranch in USA, currently I am in my senior year of electrical engineering. I noticed you have a lot of valuable programs for the TI84! I will be sure to tell my colleagues about this website. Thank you. 


22: Dear Program Developer, I'm ......from Taiwan. I will like to request the Eigenvalues of a 4x4 matrix with Ti-84 program. Thank you so much. Sincerely, 

23: Hi Frie; Thank you so much.
PS: I discovered the issue with 'zip' files crashing file explorer: it was a corrupted DLL belonging to my CARBONITE backup software! Problem resolved after I reinstalled CARBONITE. (There was nothing wrong with your original file. It decompressed OK using 7-ZIP.)


24:Hi! My name is .... I'm taking a control system course at KTH in Stockholm, Sweden. If it's possible, I would like a copy of your control system programs. I think they would help me a lot. Thank you!


25: Thank you for the quick reply, Frie! I am a Mechatronic Systems Engineering student in Canada.

26: Thanks for the reply, 

I am from United States, going to Arizona State University. I will put this program to good use.


27: Hello again, sorry for the late reply. I'm from Singapore and currently a student. Thanks for sending me the partfrac program.


28: specifically the frac decomp program for inverse Laplace and the eigenvalue program have been of use so far


29:  Awesome! Thanks. What about your eigenvalue/eigenvector programs?

30: I am a student study EE in UCSD, I want to download this program "Control system" for ti 84 to verify the result with my manual calculation. Can I have the link for it? Thank you, your work will be my life saver.


31: Hi, Thanks for the reply.

If I use that program to clear my ti, my other programs will also be deleted, right? Because I need most of my programs for an exam, so I can't delete it. Can I use the eigenvalue program without clearing my ti first?  Thank you in advance., 

Kind regards

Answer: You can use Adefault. It does not remove programs or apps. It cleans memories and put it in the right mode such a complex mode etc. So no problem to use it. Best regards 


32: Hey Frie Boon, 

Thanks so much for the quick response! I will spend the next couple of days figuring out how to effectively use the programs. Sincerely,

33: Hi Prof Frie, thank you so much for the reply!  Thank you.

34: Hello! I’ve checked the programs you sent, they were incredible!!, thanks for providing students with these life saviour programs!!. 


On WO 24 May 2023 21:59

Hello, i am a student who has his final exam very soon! It would be soo helpful if you could help me with the EIGVAL.8XP and Laplace transform programs. that would be great! thank you :)


On Wed, May 24, 2023 at 1:37 PM, Frie Boon <> wrote:

Hello .... Attached the programs. Use Adefault to clean your Try the examples on the website first to get used to the program. The program Fracdom is useful for inverse Laplace. Best regards Frie Boon from the Netherlands 


On Wed, May 24 : .....

Oh, wow! Thank you so much for the quick response, I am very thankful because my final is tonight! I am taking a differential equations class and will be going to university studying electrical engineering next semester! I can't wait, and also am very thankful for your programs and help! 



On 12 Jun 2023 ....

Good Morning, Mr. Boon, 

My name is ....and I'm currently studying signals and systems. Your work caught my eye and I just wanted to write an email to request FOURIER.8xp & FOURIERL.8xp for the TI-84 Connect. The program will can help aid my studies and allow me to get a better understanding of how we can translate these seemingly hard systems of equations into digital form. If you have any other programs, you think I should check out feel free to add them. 

I very much appreciate your time, not only when it comes to this email but also the commitment you've made to this space. In my opinion there is a lot of hesitance when it comes to digitalizing important theories and computations like the ones you've worked on. Many Veterans in the space want people to do all calculations out like they had too but capitalizing on the automation of these calculations allows for more resources allocated to further development. 

I am indebted to follow your work and am eager to see what you publish in the future. 

Best wishes,

37: Thank you so much!!! I really appreciate you taking the time to send me these!

38: This is great, thank you so much! 

bottom of page