| Featured Refinements | Circular Slide Rule |
|---|---|
| Time Period Manufactured | 1930-Now |
| Country of Origin | Japan |
| Modified Item | No |
Check the listing for details. Concise Circular slide rule 28 English Version, made in Japan 1968. Condition: Used, Made in Japan. Listed at 54.49 USD. ・This is the most popular circular slide rule, and it is a basic slide rule that can easily perform calculations other than addition and subtraction, such as multiplication, division, squaring, and cubing, so it is used in all fields.
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