FCL - Forth Calculator's Language

FCL is the programming language of an Android app called Forth Calculator. It is a Forth dialect with optional local variables, complex data structures, quotations and Java interoperability.

: fib ( n1 n2 -- n1 n2 n3 ) 2dup + ;
: nfib ( n -- .. ) -> n 0 1 n { fib } times ;