I did not know anything about FP, so I looked it up, and my first reaction was that it sounds a lot like APL, but then APL predates FP. But APL and its derivati

I did not know anything about FP, so I looked it up, and my first reaction was that it sounds a lot like APL, but then APL predates FP. But APL and its derivatives, like j, are still in use.