What are the example of slide rules?
A slide rule requires the user to separately compute the order of magnitude of the answer in order to position the decimal point in the results. For example, 1.5 × 30 (which equals 45) will show the same result as 1,500,000 × 0.03 (which equals 45,000).
What has replaced the slide rule?
The slide rule remained an essential tool in science and engineering and was widely used in business and industry until it was superseded by the portable electronic calculator late in the 20th century.
What is a Pickett slide rule?
Pickett was an American manufacturer of slide rules characterized by all metal construction. Pickett slide rules were chosen to be used by the Apollo astronauts on their mission to the moon, as they were lighter than their wood core counter parts.
What is slide rule Short answer?
The slide rule, or slipstick, is a mechanical analog computer. The slide rule is used mainly for multiplication and division, and also for “scientific” functions such as roots, logarithms and trigonometry, but usually not for addition or subtraction. There are many different styles of slide rules.
Does anyone still manufacture slide rules?
The only maker that still produces “classic” slide rules is the Japanese maker Concise. Made by various companies (e.g. Jeppesen, ASA), this simple and elegant device used by pilots for various flight calculations can also do basic multiplication and division on the circular slide rule portion.
Where can I find a slide rule display?
Our slide rule display has been put together and is maintained by UKSRC, the UK Slide Rule Circle.
Which is an example of a slide rule?
There are slide rules of all shapes and sizes for performing very different calculations, with many industries having purpose made devices. Some examples include: Gauging – the calculation of quantities of liquids and the strength of alcohol for tax purposes.
When did the slide rule start to decline?
Slide Rules were the pre-eminent calculating tool from their invention in around 1620, right through to their demise in the late 1980s, some 350 years later, but their decline really started in the 1960s with the advent of electronic calculators and computers, .
How many slide rules in a desk calculator?
Many people can still remember both where and when it was bought, and also exactly how much it cost. With so many different varieties around, most people only had one or two slide rules, either a ‘pocket model’ 5” or a ‘desk-model’ 10” slide rule.