Keyword Analysis & Research: what is the letter in math called

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what is the letter in math called	0.05	0.6	7948	30	33
what	1.79	0.5	2396	50	4
is	1.12	1	4015	43	2
the	1.84	0.6	5356	64	3
letter	0.26	0.8	7904	45	6
in	1.35	0.1	2003	15	2
math	0.99	1	936	54	4
called	1.51	1	7685	40	6

Keyword	CPC	PCC	Volume	Score
what is the letter in math called	1.43	0.7	3127	14