2	Shortening the proceedings Logarithms

What does it tell us?

How to multiply numbers by adding related numbers instead.

Why is that important?

Addition is much simpler than multiplication.

What did it lead to?

Efficient methods for calculating astronomical phenomena such as eclipses and planetary orbits. Quick ways to perform scientific calculations. The engineers’ faithful companion, the slide rule. Radioactive decay and the psychophysics of human perception.