Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
where and when was the abacus invented | 0.14 | 0.7 | 8246 | 54 |
who invented abacus | 1.66 | 0.8 | 13 | 67 |
when was the abacus invented | 0.2 | 0.7 | 6529 | 8 |
the abacus calculator year invented | 1.95 | 0.9 | 1544 | 60 |
the abacus calculator exact year invented | 1.91 | 0.2 | 4255 | 75 |
where was abacus invented | 1.4 | 0.8 | 4095 | 37 |
who invented abacus and when was it invented | 1.92 | 0.8 | 2863 | 16 |
who invented abacus computer | 1.1 | 0.4 | 4009 | 54 |
who invented abacus in china | 1.11 | 0.7 | 2799 | 98 |
who invented abacus and in what year | 1.34 | 0.3 | 888 | 78 |
who invented abacus in india | 0.29 | 0.4 | 7904 | 42 |
abacus calculator year invented | 0.31 | 0.9 | 2703 | 64 |
abacus was invented by | 1.9 | 0.2 | 5523 | 42 |
abacus was invented by which country | 0.01 | 0.8 | 7934 | 62 |
in 3 000 b.c. the greek abacus was invented | 0.26 | 0.1 | 3904 | 64 |