✝️🧮👨‍🏫

#luca pacioli #franciscan friar #friar #mathematics teacher #summa de arithmetica #religious mathematician

📐✨📚

#luca pacioli #de divina proportione #divine proportion #golden ratio #renaissance math #summa de arithmetica

📜➕➖

#luca pacioli #double-entry bookkeeping #summa de arithmetica #ledger #debit credit #pacioli accounting