HTML character map

In HTML (and XML), there are 'character entity reference' that are used to represent non-ASCII characters. E.g. the character '→' can be encoded as →, to use in a non-Unicode-compatible text format. These characters will follow the style and size of your font.
For Emoji characters like 🥁 and 😆, check the Emoji character map.

¤	curren: currency sign
ª	ordf: feminine ordinal indicator
±	plusmn: plus-minus sign (plus-or-minus sign) math stats
²	sup2: superscript two (superscript digit two, squared)
Ç	Ccedil: Latin capital letter C with cedilla
Ò	Ograve: Latin capital letter O with grave accent
ó	oacute: Latin small letter o with acute accent
Β	Beta: Greek capital letter Beta
Λ	Lambda: Greek capital letter Lambda
Σ	Sigma: Greek capital letter Sigma
Τ	Tau: Greek capital letter Tau
μ	mu: Greek small letter mu
ϒ	upsih: Greek Upsilon with hook symbol
„	bdquo: double low-9 quotation mark
ℵ	alefsym: alef symbol (first transfinite cardinal)[h]
→	rarr: rightwards arrow
∂	part: partial differential
∝	prop: proportional to
∨	or: logical or (vee)
⊂	sub: subset of

Wikipedia