For as long as mankind has been involved with trading products or services for currency, we have striven to find effective ...

Unless you are above a certain age, the only time you may have seen a slide rule (or a slip stick, as we sometimes called them) is in the movies. You might have missed it, but slide rules show up ...

Before there were apps for tablets and smartphones, before mathematics education software was easily installed on personal computers, before electronic calculators entered professional practice and ...

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.

For example, in 1622, the modern slide-rule was invented and was widely used until 1972 when the Hewlett Packard HP-35 scientific calculator made the slide-rule obsolete. These days people rely on ...

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 ...

The GE 600 Series is now our top pick. We looked at more than 60 gas-powered slide-in stoves and think that the GE JGS760 is a great choice for most kitchens. Its cooking performance and ...

It is part of SCOTUSblog’s 2020 Election Litigation Tracker, a joint project with Election Law at Ohio State. The “rule of four” is the Supreme Court’s practice of granting a petition for review only ...

Purpose of Rule: Rule 4 covers the equipment that players may use during a round. Based on the principle that golf is a challenging game in which success should depend on the player’s judgment, skills ...

Purpose of Rule: Rule 5 covers how to play a round – such as where and when a player may practise on the course before or during a round, when a round starts and ends and what happens when play has to ...

A regular slide rule takes advantage of the fact that you can multiply and divide by adding logarithms. Imagine having two rulers marked in inches or centimeters — it doesn’t matter (see the ...