Sub-Square Ruler for Geometry |
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Author:
| Cui, R ong Yan |
Drawings by:
| Cui, R ong Yan |
ISBN: | 978-0-9856777-4-9 |
Publication Date: | Nov 2012 |
Publisher: | Yearnsones culture & technology CO LIMITED
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Book Format: | Paperback |
List Price: | AUD $15.90 |
Book Description:
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New simple ruler for drawing,just like heptagon,undecagon and etc., The methods and the theory.
New simple ruler for drawing,just like heptagon,undecagon and etc., The methods and the theory.