What are the scales on a slide rule?
Basic Multiplication. The most basic procedure carried out on a slide rule is the multiplication of two numbers u and v using the C and D scales. These two scales are identical. C is on the slide, and D is on the body.
Why do slide rules work?
The slide rule made it easier to utilize the log relations by developing a number line on which the displacement of the numbers were proportional to their logs. The slide rule eased the addition of the two logarithmic displacements of the numbers, thus assisting with multiplication and division in calculations.
Who Discovered slide rule?
William OughtredSlide rule / Inventor
At which side of slide ruler is displayed?
There are two rulers in PowerPoint: one displays horizontally at the top of the active slide, and the other displays vertically along the left edge of the slide (shown below). To show the ruler, click View, and in the Show group, check Ruler. To hide the ruler, click View, and in the Show group, clear the Ruler box.
Does anyone still use slide rules?
Slide rules are still commonly used in aviation, particularly for smaller planes. They are being replaced only by integrated, special purpose and expensive flight computers, and not general-purpose calculators.
How accurate is a slide rule?
A slide rule is only as accurate as its manufacture and calibration and your ability to set it and read values. In practice, you get between two and three significant figures from slide rule calculations, and these errors compound as you use intermediate values in subsequent calculations.
Why does a slide rule work?
What is the function of the ruler in PowerPoint?
The ruler provides visual cues to help you place text and slide objects. When you don’t need it anymore, you can hide the ruler. There are two rulers in PowerPoint: one displays horizontally at the top of the active slide, and the other displays vertically along the left edge of the slide (shown below).
How do you use the ruler in PowerPoint?
To control the ruler with your keyboard:
- Tap the Ruler. on the Draw tab to make it appear on the drawing surface of the slide.
- Click the Ruler with your mouse.
- Press Shift+F6 to enter ruler-manipulation mode.
- Use a keyboard shortcut to manipulate the Ruler: Action. Key strokes. Move the Ruler up, down, left, or right.
Are slide rules still used today?
Who invented slide ruler?
How do you use a slide rule?
– Put the cursor’s hairline over the first number you want to multiply (let’s go with 32) on the D scale. – Move the slide so that the index—the very beginning or end of the C scale on the slide—lines up with the hairline on the cursor. – Find your other number, 45 (actually 4.5), on the C scale (on the slide). Move the hairline to this number.
Do you know how to use a slide rule?
– Use the double-decade scales A and B. – Use the folded scales. In this example, set the left 1 of C opposite the 2 of D. – Use the CI inverted scale. Position the 7 on the CI scale above the 2 on the D scale, and then read the result off of the D scale below – Use both the CI inverted scale and the C scale. – Using a circular slide rule.
What are the parts of a slide rule?
A Brief History the Slide Rule
Can you use a slide rule?
The report presents curve fits of weapons- effects data, design analysis for the slide rule, and instructions for use of the rule along with some of the implications of the data in regard to biological and structural damage. The machine techniques are