John C. Colt was the author of a successful bookkeeping text which had many school adoptions and at least 46 editions. During an argument with Samuel Adams, his publisher, over the cost of his 5th edition, Colt killed Adams with a hatchet....
As the revolution in computing advances, it is appropriate to step back and look at the earliest practical aid to computation?? abacus. Its formal western origins lie with the Greeks and the expansion of trade in the seventh century BC, and its...