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John Napier, b. 1550 took animal bones and carved the multiples of the Gelosia method of arithmetic on them; by adding on the diagonal, one could "multiply" |
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Napier's Bones
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© 2000 The Computing History Museum,
The American University, Washington D.C. 20016
For informational questions plese, contact the curator. For technichal issues, please contact the administrator.
For informational questions plese, contact the curator. For technichal issues, please contact the administrator.