| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| the first mechanical calculator | 1.79 | 0.2 | 7059 | 51 | 31 |
| the | 0.16 | 0.1 | 4460 | 35 | 3 |
| first | 1.4 | 0.1 | 3878 | 7 | 5 |
| mechanical | 0.42 | 0.3 | 6397 | 6 | 10 |
| calculator | 0.24 | 0.9 | 7740 | 50 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| the first mechanical calculator | 1.85 | 0.6 | 634 | 9 |
| the first mechanical calculating device was | 1.41 | 0.8 | 9140 | 73 |
| who invented the first mechanical calculator | 0.34 | 0.7 | 3149 | 69 |
| abacus was the first mechanical calculator | 1.69 | 0.1 | 3398 | 75 |
| who created the first mechanical calculator | 1.23 | 0.6 | 1191 | 48 |
| what is the first mechanical calculator | 1.85 | 1 | 5901 | 36 |
| what was the first mechanical calculator | 0.29 | 0.7 | 3912 | 34 |
| which is the first mechanical calculator | 1.74 | 0.3 | 4035 | 34 |
| who built the first mechanical calculator | 1.58 | 0.4 | 1279 | 1 |
| first handheld mechanical calculator | 0.42 | 0.2 | 9107 | 93 |
| first mechanical calculator invented by | 0.55 | 1 | 9586 | 22 |
