The Radix method for logarithms

html preview of the current state of the article

The special methods for multiplication and division by numbers slightly greater than one used in the article are explained in Takashi Kojima’s book, Advanced Abacus, Theory and Practice (Charles E. Tuttle, 1963) and also on Totton Heffelfinger's website

• Multiplication (archive.org)

• Division (archive.org)

To know more about radices and logs...

• Robert Flower: The Radix. A New Way of Making Logarithms ... In Five Problems

• Jacques Laporte's: Henry Briggs and the HP35

• Denis Roegel: A reconstruction of the tables of Briggs' Arithmetica Logarithmica

• Sydney Lupton: Notes on the Radix Method of Calculating Logarithms