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Quotes from The Construction of the Wonderful Canon of Logarithms — John Napier

1550–1617 Scotland

← All quotes by John Napier

5 quotes

Any desired geometrical mean between two sines has for its Logarithm the corresponding arithmetical mean between the Logarithms of the sines.

The Construction of the Wonderful Canon of Logarithms (1889)

Whence a geometrically moving point approaching a fixed one has its velocities proportionate to its distances from the fixed one.

The Construction of the Wonderful Canon of Logarithms (1889)

And if any number of equals to a first sine be multiplied together producing a second, just so many equals to the Logarithm of the first added together produce the Logarithm of the second.

The Construction of the Wonderful Canon of Logarithms (1889)

Arrange all these results as described, and you will produce a Table, certainly the most excellent of all Mathematical tables, and prepared for the most important uses.

The Construction of the Wonderful Canon of Logarithms (1889)

To decrease geometrically is this, that in equal times, first the whole quantity then each of its successive remainders is diminished, always by a like proportional part.

The Construction of the Wonderful Canon of Logarithms (1889)

Attribution

Quotes and notes from Wikiquote: John Napier (page history), available under CC BY-SA 4.0.