| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| free online calculus book | 0.6 | 0.4 | 7953 | 57 | 25 |
| free | 0.36 | 0.2 | 7259 | 23 | 4 |
| online | 0.85 | 0.4 | 2827 | 72 | 6 |
| calculus | 1.52 | 0.6 | 624 | 89 | 8 |
| book | 1.08 | 0.3 | 5292 | 27 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free online calculus book | 0.77 | 1 | 9131 | 46 |
