Keyword Analysis & Research: slide rule was invented by

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
slide rule was invented by	0.22	1	6506	90	26
slide	0.58	0.3	5828	32	5
rule	1.88	0.4	634	18	4
was	0.63	1	304	61	3
invented	0.63	0.9	1080	96	8
by	1.89	0.5	8402	33	2

Keyword	CPC	PCC	Volume	Score
slide rule was invented by	0.59	1	6255	44