Downloads:

Flash 6 plug-in

SigFigDistbGen.fla
(Source file)

SigFigDistbGen.exe
(Windows standalone executable)

SigFigDistbGen
(Mac standalone application)

Credits:

William Fawcett

Notes:

You'll notice that for most of the multiplied results, the smaller the significant figure, the more often it occurs. If anyone can explain this graph / pattern in easy to understand terms, I'd be glad to hear it.