| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| richardson extrapolation derivative | 0.71 | 0.6 | 8508 | 37 | 35 |
| richardson | 0.47 | 1 | 1500 | 15 | 10 |
| extrapolation | 1.48 | 0.4 | 3735 | 68 | 13 |
| derivative | 1.22 | 0.1 | 114 | 53 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| richardson extrapolation derivative | 0.94 | 0.2 | 3219 | 57 |
| richardson extrapolation second derivative | 1.17 | 0.5 | 3011 | 14 |
