It is believed that he died in the same town on 19 June He is best remembered for his page mathematical compendium, Summa de Arithmetica Geometria Proportioni et Proportionalita, published in and for his friendship with Leonardo da Vinci. Many accountants perceive his greatest contribution as being the page treatise on double-entry bookkeeping and business contained within his Summa. Today, we still teach double-entry bookkeeping following the principles set down by Pacioli, and all manual and computerised accounting systems owe much of their processing logic to the principles and processes he described. Insolvency owes much to its foundations to Pacioli as every insolvency accountant would know with daily work in Insolvency entrenched in debits and credits, journals and ledgers. However, Pacioli would never have been able to envision how entrenched the area of Insolvency Accounting is in various areas of law whether it be the Corporations Act, the Bankruptcy Act, Common Law, or even the Family Law Act..