| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| zill a first course in differential equations | 0.8 | 0.1 | 6016 | 86 | 45 |
| zill | 0.1 | 0.8 | 2392 | 96 | 4 |
| a | 1.39 | 0.4 | 1529 | 23 | 1 |
| first | 1.38 | 0.2 | 4284 | 19 | 5 |
| course | 1.01 | 0.5 | 8784 | 6 | 6 |
| in | 0.38 | 0.2 | 8196 | 32 | 2 |
| differential | 0.02 | 0.6 | 280 | 73 | 12 |
| equations | 0.19 | 0.1 | 7782 | 55 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| zill a first course in differential equations | 0.13 | 0.5 | 703 | 27 |
