< language , mathematics > (IT) An early compiler for mathematics developed by A.J. Perlis et al at Carnegie Tech ca 1957. IT was originally written for the Burroughs 205 , then the IBM 650 .
IT was the forerunner of RUNCIBLE, GATE, CORRELATE and GAT. IT source code was converted to PIT, thence to SPIT.
IT-2 produced machine language directly, IT-3 developed at Carnegie added double-precision floating-point .
[Sammet 1969, pp. 139-141].
[CACM 1(5):22 1958].
(1994-11-30)