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Jun 7, 2023 · Example 2: slide the C scale so the left index is in line with the 4.1 on the D scale. 4. Slide the metal cursor to the second number on the C scale. The cursor is the metal object that slides over the entire slide rule. Line the cursor up with the second number in your multiplication problem, on the C scale.
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To multiply 2 times 3. Position the 1 of the C scale (on slide) against the 2 on the D scale (on stock). Move the cursor to 3 on the C scale. Read the answer (6) on the D scale. To divide 5.7 by 3. Move the cursor to 5.7 on the D scale. Position the 3 on the C scale against the 5.7 on the D scale.
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The words "slide rule" may conjure up images of overwhelming complexity and technical detail for you, but the underlying concept is actually quite straightforward. At its heart, the slide rule is nothing more than a simple and elegant solution for solving basic mathematical calculations. What I'll attempt to do on this page is to explain where ...
Division on a slide rule involves the exact steps used in multiplication on the C and D scales, but in reverse order. Look at the graphic used earlier for 2 x 2 in step 5. To divide 4 by 2, find 4 on the D scale and place the hairline over it. Move the slider so 2 on the C scale is under the hairline.
