LISP/SCHEME/CLOJURE           APL/K(1992)

functional                    functional

1958 mccarthy mit             1957 iverson harvard

artificial intelligence       database/analytics

dynamic typing                dynamic typing

REPL                          REPL

lexical                       lexical

atom list map                 atom list map

sym char num bool             sym char num datetime

constant prepend              constant append/get/set

immutable                     immutable

s-expression                  m-expression
(f(g(h x y)))                 f g h[x;y] (also: noun verb adverb)

compose recur                 curry compose

(lambda(x)(+ 32(* 1.8 x)))    {[x]32+1.8*x} (also: 32+ 1.8*)

cons car                      , *

setq cond                     : $

map reduce                    ' /

+ - * / < > = min max         + - * % < > = & |

length reverse member         # | ?

APL -> K evolution

lambda        1973
cond          1973
operators     1979
map/reduce    1979
ascii(j&k)    1989
atom/list     1992
m-expressions 1992