Having used traditional arithmetic for 35 years before I saw APL, I found
it difficult to work with the syntax of APL and J. I still do at times.
Like you, I go back to the old ways on pencil and paper. But I think my
difficulty with polynomials is if I write them the old way but in J
notation they look messy and are hard to manipulate. But if I use J's
notation for polynomials (p.) manipulation becomes much simpler.
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