| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| recursive rule definition | 0.44 | 0.4 | 8802 | 48 | 25 |
| recursive | 1.69 | 0.9 | 8655 | 4 | 9 |
| rule | 1.29 | 0.5 | 7137 | 48 | 4 |
| definition | 1.16 | 0.4 | 7240 | 43 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| recursive rule definition | 1.95 | 0.8 | 4248 | 13 |
| recursive rule definition math | 0.9 | 0.5 | 4491 | 61 |
