Was Ist Was, Band 12: Mathematik
| Illustrator | Walter Ferguson, Anne-Lies Ihme |
| Publisher | Tessloff Verlag |
| Series | WAS IST WAS |
| Published in/by Arrangement with | Grosset & Dunlap |
| Copyright Holder | Tessloff Verlag |
| About/Subject | Mathematics |
| Format | Hardback |
| Language | German |
| Location | Hamburg, Germany |
| Copyright | 1969 |
| This Impression | 1989 |
| Pages / Font | 48 pages |
| Series Number | 12 |
| ISBN | 3-7886-0252-X |
| Other | 5-89 |
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