| Queries | Unique users |
Referrers |
Average Click Position |
|
|---|---|---|---|---|
| picket slide rule | 1 | 1 | 1 | |
| history of calculators | 1 | 1 | 2 | |
| history of calculating machines | 1 | 1 | 3 | |
| history of the scientific calculator | 1 | 1 | 1 | |
| scientific calculator invented in | 1 | 1 | 5 | |
| calculators for sale | 1 | 1 | 6 | |
| napier bones | 1 | 1 | 10 | |
| giftcraft | 1 | 1 | 9 | |
| 18th century adding machines | 1 | 1 | 1 | |
| dr. wang | 1 | 1 | 1 | |
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