At least 2000 years ago, the primordial "Bagua" appeared.
Don't know what's this? Haha...
In China, crystal ball was useless, the wizard can predict everything from Bagua. I know this from birth. :)
Of course I didn't read that long Pingala PDF file, but reading page 6 did not give me any clue that Pingala thought about representing decimal numbers using a system of binary numbers.
Seems like Leibniz also invented a type of mechanical calculator.
Not sure if there was a binary version . . .
Hi woodpecker. Thanks for the interesting link. I saw that Leibniz' idea was used in Curta calculators. I'd like to have one of those calculators but they cost roughly $1,000 on ebay. Check out the following poster: