In a separate calculation you find the order of magnitude by combining the powers of 10. There are already a couple of tutorials posted at instructables on using a slide.
But no one makes them anymore except thinkgeek httpwwwthink.
How to use a slide rule calculator.
It looks like a ruler but has a slide.
Next find the smaller number on the d scale and slide the c scale so the 1 on the far left lines up with the smaller number.
How to use a slide rule.
Well go oldschool with the classic slide rule.
To use a slide rule to multiply 2 numbers together move the decimal points for each number you are multiplying so they fall between the values of 1 and 10.
No shoes allowed on the helter skelter.
You can buy original 50s 60s slide rules on ebay.
Do current students know what a slide rule is or how to use it.
As graphical analog calculators slide rules are closely related to nomograms but the former are used for general calculations whereas the latter are used for application specific computations.
Its what people used to do math in the days before calculators and now ever present phones and computers.
This instructable will only teach you how to multiply and do functions with pi.
However even if your slide was lined up with the scales on the body but otherwise frozen in place you could use your slide rule as a lookup table for a large number of formulas.
Before the graphing calculator the slide rule was the archetypal instrument for engineering students at mit.
To do a calculation with a slide rule you reduce all numbers to scientific notation with 2 4 digits then use the slide rule to perform the basic operations.
Some of them are listed in tables 2 and 3.
Hate when your stupid calculator runs out of batteries.
Theyre about to show.
The slide rule is used primarily for multiplication and division and also for functions.
A more complete slide rule tutorial.
A slide rule is a multi purpose calculator tool.
Additionally the slide rule does not tell you where the decimal point is located in the answer.
The slide rule also known colloquially in the united states as a slipstick is a mechanical analog computer.
A member at instructables asked me to explain how to use a slide rule for the sake of those who came along about the time electronic calculators replaced slide rules.
The power of a slide rule stems from the interplay of the scales and the movements of the slide and the cursor.
Do complex calculations in a flash.
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