\ -----------------------------------------------------------------------
\ 2-5.FORTH -------------------------------------------------------------
\ -----------------------------------------------------------------------
\ Code from Starting Forth Chapter 2
\ ANSized by Benjamin Hoyt in 1997

( problem 2-5 )
: -ROT  ( a b c -- c a b )  ROT ROT ;
: 2-5   ( a b -- [a-b]/[a+b] ) 2DUP -  -ROT +  / ;