Sub-Square Ruler for Geometry |
|
| Author:
| Cui, R ong Yan |
| Drawings by:
| Cui, R ong Yan |
| ISBN: | 978-0-9856777-4-9 |
| Publication Date: | Oct 2012 |
| Publisher: | Yearnsones culture & technology CO LIMITED
|
| Book Format: | Paperback |
| List Price: | USD $15.90 |
Book Description:
|
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.