Years ago when my wife and I we were planning to buy our home, my dad stunned me with how quickly he could compute loan payments in his head. I asked him how he did it. He'd learned a strange formula for compound interest from his father, who was a merchant in 19th century Iran. pic.twitter.com/ADDGUe91qT
— Peyman Milanfar (@docmilanfar) April 26, 2020
from Twitter https://twitter.com/docmilanfar
April 26, 2020 at 03:17PM
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