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I picked up Lisp early on, and don’t care that much about t1 + t2 vs. (+ t1 t2) vs. t1.add(t2). But without method overloading and generics, changing the static type of anything requires editing everything.

Good points.

I accidentally replied to yours. I had intended to reply to preseinger.

Well for math matrix formulas it gets difficult to read. Like (A+B)/2 *C*(A-B)/2 is better than mulMat(skalardivide(addMat(A, B), 2),mulMat(C,skalardivide(subMat(A,B),2)))

Definitely not.

The former is in general preferable to the latter, though, because it makes it a little more clear that arbitrary computation is occurring.