====== Using An Abacus ======

| **Field** | Math |
| **Went Obsolete** | An approximation of when the skill was made obsolete |
| **Made Obsolete By** | The skill or item that made this skill obsolete |
| **Knowledge Assumed** | The knowledge needed to perform the skill |
| **When useful** | When this skill could still be used in the real world |

Then enter a description of the skill, and include a photo using the 'attach' link in the header for this page.

  * not obsolete in my opinion, usage of the abacus at a young age seems to promote an understanding of abstract numbers-- and is still taught regularly in japanese public schools.
  * By no means obsolete. Still in wide use throughout East Asia.