| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| which is the first mechanical calculator | 1.4 | 0.2 | 5929 | 15 | 40 |
| which | 0.75 | 1 | 3854 | 45 | 5 |
| is | 0.83 | 0.5 | 3369 | 81 | 2 |
| the | 1.49 | 0.6 | 195 | 30 | 3 |
| first | 0.07 | 0.4 | 3104 | 62 | 5 |
| mechanical | 1.82 | 0.7 | 2172 | 18 | 10 |
| calculator | 1.25 | 0.7 | 3646 | 98 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| which is the first mechanical calculator | 0.62 | 0.7 | 631 | 98 |
| first mechanical calculator | 1.45 | 0.1 | 4079 | 45 |
| who invented the first mechanical calculator | 0.93 | 0.1 | 641 | 18 |
| abacus was the first mechanical calculator | 1.88 | 0.2 | 146 | 13 |
| who created the first mechanical calculator | 1.18 | 0.3 | 2895 | 2 |
| what is the first mechanical calculator | 1.41 | 1 | 3260 | 81 |
| what was the first mechanical calculator | 1.92 | 0.2 | 8383 | 79 |
| who built the first mechanical calculator | 0.89 | 0.4 | 404 | 29 |
| first mechanical calculator invented by | 1.43 | 0.6 | 2575 | 52 |
