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Slide rule

technology Maturity 7-9

A slide rule is a tool for math.

Sliderule.PickettN902T.agr.jpg
Sliderule.PickettN902T.agr.jpg
It has parts that slide. You move the parts to find answers. It helps people do math fast. It was used a long time ago.
Faber Castell 6 inch slide rule.JPG
Faber Castell 6 inch slide rule.JPG
Do you like math?

44 words
🖼️ Images & Media (19)
File:Sliderule.PickettN902T.agr.jpg
Sliderule.PickettN902T.agr.jpg
File:Slide rule-homemade teaching base 2.jpg
Slide rule-homemade teaching base 2.jpg
File:slide rule cursor.jpg
slide rule cursor.jpg
File:Slide rule example2 with labels.svg
Slide rule example2 with labels.svg
File:Slide Rule Duplex.svg
Slide Rule Duplex.svg
File:slide rule example4.svg
slide rule example4.svg
File:Pickett slide rule.jpg
Pickett slide rule.jpg
File:Slide rule scales front.jpg
Slide rule scales front.jpg
File:Slide rule scales back.jpg
Slide rule scales back.jpg
File:Cikk-skalak-r-en.gif
Cikk-skalak-r-en.gif
File:Teaching sliderule comparison.jpg
Teaching sliderule comparison.jpg
File:oughtred.jpg
oughtred.jpg

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📚 Content adapted from Wikipedia | Readability: FK 12.2 | Vital Level 5