Before long, a dozen or so pirated versions of the Compendium began turning up in book shops, angering Cheng Ta-wei into opening a publishing house to produce Compendiums specially marked as being genuine items.
後來坊間還出現十幾種「算法統宗」的盜印本，氣得程大位趕忙自設書局，強調原版的正確性。