-- This is file WORK.RIG -- You can try examples -- EX1.RIG - how to take Tail and Head of list -- EX2.RIG - how to analyse and print polish form of arithmetic expression -- GRAM2.RIG - small language (SL) source syntax grammar -- GRAM1.RIG - tree abstract grammar for SL -- INTER.RIG - interpreter of SL -- BCOMP.RIG - compiler of SL to Pascal -- EX1.txt - input text in SL -- THIS IS SIMPLE PROGRAM ; TRY press F6 and then F7; Exit ALT+X #START $E:=28; $N:=3; PRINT <. AA : $E , BB : $N .> ##