Kastalia Knowledge Management System · Glasperlenspiel template · knot 3855
modus Indorum :: the method of Indians
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"The nine Indian figures are:
9 8 7 6 5 4 3 2 1
With these nine figures, and with the sign 0 which the Arabs call zephir any number whatsoever is written..."
Leonardo Fibonacci of Pisa :: Liber Abaci :: The Book of the Abacus
Ancestors (1 superordinated path)