Dear friends:

I need to develop a numerical computation software with a GUI interface like the attachment. I have tried tkinter package, but it seems that it can not resolve this mission. 
Could you please give me some suggestions about which package should i use to obtain this goal. 
Regards

2021-03-05_14-49-49.png

Let's get some items clarified here.

  1. Your image looks to be open source from https://engys.com

  2. It might be CFD or https://en.wikipedia.org/wiki/Computational_fluid_dynamics

  3. From the Wikipedia you could use 9 different turbulence models.

Just on item 3 alone you would likely be completing or completed your masters in some related field.
Sometimes folk want to create such an app but dismiss such works is the work of some hundred or more people. I can't guess what made you post here so let's hear more about you. Your profile here doesn't tell much.

My question is: Why not use what Engsys supplies?

I can only offer generic advice but I would recommend wxPython over tkinter. There is excellent help available through many wxPython books and a user forum. I've also posted several step by step wxPython projects on Daniweb.

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