I theorize it's because math as we know it was written down on paper and blackboards. Those mediums don't have auto-complete, like any good code editor does. I

I theorize it's because math as we know it was written down on paper and blackboards. Those mediums don't have auto-complete, like any good code editor does. I wish math notation would be replaced by s-expressions - easy to type and only like 3 concepts to learn for fluency.