Math or engineering people do not have problems with short symbol names, that's it. Also our formulas are complex. If you wrote out many of our formulas with

Math or engineering people do not have problems with short symbol names, that's it. Also our formulas are complex. If you wrote out many of our formulas with long descriptive variable names the structure and relation between the variables would no longer be readable, there would be many more mistakes. We were educated doing these things on paper with pages and pages of math with these symbols. 20 years later I can still read just this fortran code and guess most of what's going on with no context needed. I have problems reading "developer code" that boil down to "where the hell is the part of the code that actually does something?!" being perpetually lost in layer among layer of abstraction with the relevant connecting pieces far far apart.