 | This article was nominated for deletion on 11 June 2013 (UTC). The result of the discussion was redirect to Machin series. |
 | This redirect does not require a rating on Wikipedia's content assessment scale. |
| This article was nominated for deletion on 11 June 2013 (UTC). The result of the discussion was redirect to Machin series. |
| This redirect does not require a rating on Wikipedia's content assessment scale. |