Rabdologia, or, The art of numbring by rods whereby the tedious operations of multiplication, and division, and of extraction of roots, both square and cubick, are avoided, being for the most part performed by addition and subtraction : with many examples for the practice of the same : first invented by the Lord Napier, Baron of Marchiston ... /
|Main Author:||Partridge, Seth, 1603-1686.|
|Corporate Authors:||Early English Books Online.|
Printed by Robert White, and are to be sold by John Partridge ...,
Early English books online.
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