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The latest of several Dragon Forth packages, the cassette comes with an A4-sized loose leaf manual containing full details of the program and a short Forth tutorial; this should give beginners a fair idea of how the language works, but you would have to invest in a book to write substantial programs. And books on Forth seem to be more expensive than books on Basic.

A version of Fig-Forth is used with about 20 new words added, to deal with manipulation of double (32-bit) numbers, printer support, insertion of machine code subroutines, etc.

I tested two copies on two different Dragons, and had immense difficulty in getting it to work. On my own, normally well-behaved, Dragon every attempt to define a new word produced an error message; on the other machine I tried, word definitions and commands were accepted only intermittently and the program crashed regularly. I did not succeed in getting more than halfway through the training section of the manual on either. However, Microdeal does offer advice and help to any users who have problems with the program.

M.N.