The book was translated in Latin and was a big hit into the Middle Ages.

yes! bookkeeping was a real drag in roman numerals!
chaucher (who held a position as the head of the london's customs house, --a royal commission) spent 2 years in italy in vaguely recorded 'training'-- most likely learning the new 'arithmatic' and double entry bookkeeping!

algebra was the super computer of its day--and all the 'big' money companies invested heavily in its use.



my other obsession