when was the calculator made

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was the calculator made	1.78	0.2	9916	39	28
when	1.74	0.3	438	97	4
was	1.57	0.2	6215	59	3
the	0.76	0.1	3957	60	3
calculator	0.78	0.4	2280	64	10
made	0.25	0.1	8800	1	4

Keyword	CPC	PCC	Volume	Score
when was the calculator made	1.85	0.3	3556	76
when was the first calculator made	0.48	0.9	8255	1
when was the first handheld calculator made	1.77	0.9	9677	60
when was the first complex calculator made	0.02	0.9	6148	67
when was the first electronic calculator made	0.38	0.8	5776	60
when was the first digital calculator made	1.25	0.6	3142	12
when was the ti 30x calculator made	1.79	0.6	8389	3
when was the first graphing calculator made	0.5	0.7	7445	64
when was the first mechanical calculator made	1.38	1	2569	49
first calculator ever made	0.69	0.2	8113	87
who made the first calculator	0.47	0.3	2340	63
where was the first calculator made	0.26	0.2	4708	37