BBC BASIC for PC compatibles - BBC BASIC interpreter for DOS x86 based systems. Also includes a BBC BASIC for DOS manual and tutorial. - http://www.cix.co.uk/~rrussell/bbcbasic/bbcbasic.html
Mister T - Includes executable graphical illustrations of mathematical problems - http://www.tonytooth.co.uk
Program Your PC - Features tutorials, a section dedicated to beginners to the language and programs. - http://web.onetel.net.uk/~richardweston/
R. T. Russell - The company was established in 1983 to supply BBC BASIC interpreters for the Zilog/Mostek Z80 and Intel 80x86 ranges of processors. - http://www.cix.co.uk/~rrussell/