For example, the A scale does squares and square roots and trig scales were also common. If you want a visual demo of how it works, check out the video below. Unlike a calculator, a slide rule ...

Slide rules can perform the basic arithmetic operations of addition, subtraction, multiplication, and division, but they can also be marked for computing with logarithms, square and cube roots, ...

Most people have heard of or seen slide rules, with older generations likely having used these devices in school and at their jobs. As purely analog computers these ingenious devices use ...

Primarily for multiplication and division, the slide rule has two stationary sets and one sliding set of numbers in the center. To multiply, numbers are added; to divide, numbers are subtracted.

This merger added a range of PIC slide rules to their range. the plastic slide rules where introduced in the 1960s and in 1967 the company became British Thornton. The slide rule was the evelution ...