NAPIER'S RODS
\nˈe͡ɪpɪəz ɹˈɒdz], \nˈeɪpɪəz ɹˈɒdz], \n_ˈeɪ_p_ɪ__ə_z ɹ_ˈɒ_d_z]\
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a set of graduated rods formerly used to do multiplication and division by a method invented by John Napier
By Princeton University
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a set of graduated rods formerly used to do multiplication and division by a method invented by John Napier
By DataStellar Co., Ltd
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A set of rods, made of bone or other material, each divided into nine spaces, and containing the numbers of a column of the multiplication table; -- a contrivance of Baron Napier, the inventor of logarithms, for facilitating the operations of multiplication and division.
By Oddity Software
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A set of rods, made of bone or other material, each divided into nine spaces, and containing the numbers of a column of the multiplication table; -- a contrivance of Baron Napier, the inventor of logarithms, for facilitating the operations of multiplication and division.
By Noah Webster.