On my system (Linux), Blender 4.32 locks up and I have to kill it - Terminal: Pkill Blender.
Version 4.4 tells me that Math Formula has to be used on less than the Max Version (I guess, currently, 4.4) even though your Description says, Any Version.
I've also had blender freezing for a bit when trying to install extensions on Linux (not just with this one). I just uploaded a new version (v2.1.0) of the add-on which can be opened in blender 4.4, and contains some other fixes. Hopefully this version works for you!
The best add-on to build math nodes! I had to do some custom 3D math computations with Octonions and Quaternions which deal with a lot of math calculations. This add-on did it with no problems!
On my system (Linux), Blender 4.32 locks up and I have to kill it - Terminal: Pkill Blender.
Version 4.4 tells me that Math Formula has to be used on less than the Max Version (I guess, currently, 4.4) even though your Description says, Any Version.
So, dead in the water.