How To Use A Japanese Abacus: A step-by-step guide to addition, subtraction, multiplication, division, square roots and practical examples for the Japanese abacus (Soroban).
| Country | USA |
| Manufacturer | SPIE--The International Society for Optical Engineering |
| Binding | Paperback |
| EANs | 9781510614154 |
| ReleaseDate | 0000-00-00 |