Explains how to use the different scales to multiply and divide.

Explains how to multiply, find cube and square roots and other operations. Includes illustrations.

Specification forming part of Letters Patent No. 249117, dated November 1, 1881. Includes diagrams.

Basic facts involving the development of the slide rule. Includes diagrams and links to information on various types of slide rules.

Short lesson.

Fairly simple instructions.

Illustrated tutorial.

Slide rules are useful for doing gear calculations. Briefly describes a method for doing so.

Basic information and a number of manuals in pdf format.

How to use a slide rule and do the underlying math.

Templates, directions, and some links to other slide rule sites.

A story about the use of a 6-inch Pickett "all-metal" slide rule (Model N 200-ES), with case.

Examples of how the slide rule is a useful tool for teaching the mathematical concept of transformations. Examples and illustrations.

Describes the types of scales found on most slide rules.

History of this unusual 1600s slide rule.

Various scales in a convenient tabular form. Includes mathematical formulation of the scales.