| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| calculation of combinations | 1.1 | 0.8 | 659 | 49 | 27 |
| calculation | 1.2 | 0.2 | 7089 | 68 | 11 |
| of | 0.88 | 0.2 | 9772 | 34 | 2 |
| combinations | 1.16 | 0.7 | 3950 | 41 | 12 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| calculation of combinations | 1.71 | 0.1 | 2855 | 65 |
| possible combinations calculation | 1.49 | 0.7 | 7126 | 5 |
| combination of thin lens calculation | 0.77 | 0.4 | 8643 | 81 |
| thin lens formula calculator | 1.04 | 0.9 | 6450 | 38 |
| thin lens equation calculator | 0.29 | 0.2 | 6076 | 9 |
| the thin lens equation | 1.89 | 0.2 | 6993 | 97 |
| thin lens formula for concave lens | 0.98 | 0.4 | 9641 | 95 |
| thin lens system calculator | 0.26 | 0.9 | 3500 | 31 |
| thin lens equation for convex lens | 0.83 | 0.2 | 7903 | 82 |
| thin and thick lens formula | 0.68 | 0.9 | 22 | 66 |
