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2. Slide rule - Wikipedia

   en.wikipedia.org/wiki/Slide_rule

   For example, a 10 cm (3.9 in) circular would have a maximum precision approximately equal to a 31.4 cm (12.4 in) ordinary slide rule. Circular slide rules also eliminate "off-scale" calculations, because the scales were designed to "wrap around"; they never have to be reoriented when results are near 1.0—the rule is always on scale.

3. Fuller calculator - Wikipedia

   en.wikipedia.org/wiki/Fuller_calculator

   The Fuller calculator, sometimes called Fuller's cylindrical slide rule, is a cylindrical slide rule with a helical main scale taking 50 turns around the cylinder. This creates an instrument of considerable precision – it is equivalent to a traditional slide rule 25.40 metres (1,000 inches) long.

4. Slide rule scale - Wikipedia

   en.wikipedia.org/wiki/Slide_rule_scale

   Keuffel and Esser 7" slide rule (5" scale, 1954) [1] A slide rule scale is a line with graduated markings inscribed along the length of a slide rule used for mathematical calculations. The earliest such device had a single logarithmic scale for performing multiplication and division, but soon an improved technique was developed which involved ...

5. International Slide Rule Museum - Wikipedia

   en.wikipedia.org/wiki/International_Slide_Rule...

   The International Slide Rule Museum (ISRM) is an American museum dedicated to the preservation and display of slide rules and other mathematical artefacts. Established in 2003 by Michael Konshak, who serves as its curator, [3] [4] the museum houses a collection of slide rules from divers manufacturers and time periods, showcasing the evolution and importance of these instruments in the history ...

6. E6B - Wikipedia

   en.wikipedia.org/wiki/E6B

   The other side is a circular slide rule. Extra marks and windows facilitate calculations specifically needed in aviation. Electronic versions are also produced, resembling calculators, rather than manual slide rules. Aviation remains one of the few places that the slide rule is still in widespread use. Manual E6-Bs/CRP-1s remain popular with ...

7. MLB announces new slide rule and pace-of-game changes - AOL

   www.aol.com/news/2016-02-25-mlb-announces-new...

   Rolling slides to break up double plays will not be permitted starting with the 2016 season according to new regulations adopted on Thursday by baseball.

8. Lucy Julia Hayner - Wikipedia

   en.wikipedia.org/wiki/Lucy_Julia_Hayner

   In 1929 Hayner returned to Columbia University. She taught in the Ernest Kempton Adams Laboratory and specialized in teaching the advanced laboratory class. [2] She later directed the laboratory until her retirement in 1966. [1] [3] In 1937, Hayner designed and constructed a circular slide rule in Braille. The construction took over 100 hours ...

9. NASCAR's new 'world-class driver' rule makes Daytona 500 ...

   www.aol.com/nascars-world-class-driver-rule...

   The Daytona 500 has NASCAR’s most unusual — and complicated — qualifying format. There are nine drivers — the most since 2015 — vying for those spots: Anthony Alfredo, Justin Allgaier ...