Hello,
I have tried three of them.
1 - Toupchad mouse near the keyboard:
This lets your hands tired at an early stage.
You cannot make sometimes draws correctly or scroll down feature.
If it is damaged you are no longer able to work with your computer.
The deprecated method is no longer on new PC productions as the new computers will have tactile screens.
So I do not recommend using this method.
2 - Physical mouse:
You could replace the physical mouse every time she is no longer working but also you could scroll up and down rapidly.
This method seems awesome to work but instead of headaches on the bottom of your hand, you will get headaches on top of your hands.
Some people go even to mouse working with Bluetooth terminology that seems more suitable especially if you are going to present PFE.
3 - Tactile screen:
It is a good method for the new generation of PC however the drawback is if the screen is damaged then it needs to replace the screen fully like any incident occurred like water or PC fall down from the hands.
4 - Brain mouse:
It is under development by the companies of the computer which is that they use what you think about and make moves on the mouse to fully remove the use of hands for the mouse even for writing or programming. It is more displayed in scientific documentaries.