Useful Symbols

Symbol	Meaning
∴	therefore
⇒	implies
∆	change
~	roughly similar to
≈	approximately equal to
∝	proportional to
≠	not equal to; not the same as
<	less than
>	greater than
ċ	with (from Latin cum)
c.	about (in time; from Latin circa)
cf.	compare (from Latin conferre)
C.	century
†	died
	Christ, Christianity, Christian
♂	male, man
♀	female, woman