# Letterlike Symbols

## Letterlike symbols

Some of the letterlike symbols are intended to complete the set of mathematical alphanumeric symbols starting at 1D400.
`2100` ℀ Account Of
`0061` a `002F` / `0063` c
`2101` ℁ Addressed To The Subject
=aux soins (de)
`214D` ⅍ aktieselskab
`0061` a `002F` / `0073` s
`2102` ℂ Double-Struck Capital C
=the set of complex numbers
<font> `0043` C latin capital letter c
`2103` ℃ Degree Celsius
`00B0` ° `0043` C
`2104` ℄ Centre Line Symbol
=clone
`2105` ℅ Care Of
`0063` c `002F` / `006F` o
`2106` ℆ Cada Una
Spanish for "each one"
`0063` c `002F` / `0075` u
`2107` ℇ Euler Constant
`0045` E latin capital letter e
`0190` Ɛ latin capital letter open e
`2108` ℈ Scruple
`2109` ℉ Degree Fahrenheit
`00B0` ° `0046` F
`210A` ℊ Script Small G
=real number symbol
<font> `0067` g latin small letter g
`210B` ℋ Script Capital H
=Hamiltonian operator
<font> `0048` H latin capital letter h
`210C` ℌ Black-Letter Capital H
=Hilbert space
<font> `0048` H latin capital letter h
`210D` ℍ Double-Struck Capital H
<font> `0048` H latin capital letter h
`210E` ℎ Planck Constant
=height, specific enthalpy, ...
simply a mathematical italic h; this character's name results from legacy usage
<font> `0068` h latin small letter h
`210F` ℏ Planck Constant Over Two Pi
=reduced Planck constant, Dirac constant
`045B` ћ cyrillic small letter tshe
<font> `0127` ħ latin small letter h with stroke
`2110` ℐ Script Capital I
<font> `0049` I latin capital letter i
`2111` ℑ Black-Letter Capital I
=imaginary part
<font> `0049` I latin capital letter i
`2112` ℒ Script Capital L
=Laplace transform
<font> `004C` L latin capital letter l
`2113` ℓ Script Small L
=mathematical symbol 'ell'
despite its character name, this symbol is derived from a special italicized version of the small letter l
the SI recommended symbol for liter is `006C` l or `004C` L
`1D4C1` 𝓁 mathematical script small l
<font> `006C` l latin small letter l
`2114` ℔ L B Bar Symbol
=pounds
`0023` # number sign
`2115` ℕ Double-Struck Capital N
=natural number
a glyph variant with doubled vertical strokes exists
<font> `004E` N latin capital letter n
`2116` № Numero Sign
`0023` # number sign
`00BA` º masculine ordinal indicator
`004E` N `006F` o
`2117` ℗ Sound Recording Copyright
=published
=phonorecord sign
`00A9` © copyright sign
`24C5` Ⓟ circled latin capital letter p
`2118` ℘ Script Capital P
WEIERSTRASS ELLIPTIC FUNCTION
actually this has the form of a lowercase calligraphic p, despite its name
`2119` ℙ Double-Struck Capital P
<font> `0050` P latin capital letter p
`211A` ℚ Double-Struck Capital Q
=the set of rational numbers
<font> `0051` Q latin capital letter q
`211B` ℛ Script Capital R
=Riemann Integral
<font> `0052` R latin capital letter r
`211C` ℜ Black-Letter Capital R
=real part
<font> `0052` R latin capital letter r
`211D` ℝ Double-Struck Capital R
=the set of real numbers
<font> `0052` R latin capital letter r
`211E` ℞ Prescription Take
=recipe
=cross ratio
`211F` ℟ Response
`2120` ℠ Service Mark
<super> `0053` S `004D` M
`2121` ℡ Telephone Sign
typical forms for this symbol may use lowercase, small caps or superscripted letter shapes
`260E` ☎ black telephone
`2706` ✆ telephone location sign
`1F4DE` 📞 telephone receiver
`0054` T `0045` E `004C` L
`2122` ™ Trade Mark Sign
`1F12E` 🄮 circled wz
<super> `0054` T `004D` M
`2123` ℣ Versicle
`2124` ℤ Double-Struck Capital Z
=the set of integers
<font> `005A` Z latin capital letter z
`2125` ℥ Ounce Sign
`0292` ʒ latin small letter ezh
`1F773` 🝳 alchemical symbol for half ounce
`2126` Ω Ohm Sign
SI unit of resistance, named after G. S. Ohm, German physicist
preferred representation is `03A9` Ω
`260A` ☊ ascending node
`03A9` Ω greek capital letter omega
`03C9` ω greek small letter omega
`2127` ℧ Inverted Ohm Sign
=mho
archaic unit of conductance (= the SI unit siemens)
typographically a turned greek capital letter omega
`01B1` Ʊ latin capital letter upsilon
`03A9` Ω greek capital letter omega
`260B` ☋ descending node
`2128` ℨ Black-Letter Capital Z
<font> `005A` Z latin capital letter z
`2129` ℩ Turned Greek Small Letter Iota
unique element fulfilling a description (logic)
`03B9` ι greek small letter iota
`212A` K Kelvin Sign
`004B` K latin capital letter k
`006B` k latin small letter k
`212B` Å Angstrom Sign
non SI length unit (=0.1 nm) named after A. J. Ångström, Swedish physicist
preferred representation is `00C5` Å
`00C5` Å latin capital letter a with ring above
`00E5` å latin small letter a with ring above
`0041` A + `030A` ◌̊
`212C` ℬ Script Capital B
=Bernoulli function
<font> `0042` B latin capital letter b
`212D` ℭ Black-Letter Capital C
<font> `0043` C latin capital letter c
`212E` ℮ Estimated Symbol
used in European packaging
`0065` e latin small letter e
`212F` ℯ Script Small E
=error
=natural exponent
<font> `0065` e latin small letter e
`2130` ℰ Script Capital E
=emf (electromotive force)
<font> `0045` E latin capital letter e
`2131` ℱ Script Capital F
=Fourier transform
<font> `0046` F latin capital letter f
`2132` Ⅎ Turned Capital F
=Claudian digamma inversum
lowercase is `214E` ⅎ
`0046` F latin capital letter f
`03DC` Ϝ greek letter digamma
`214E` ⅎ turned small f
`2133` ℳ Script Capital M
=M-matrix (physics)
=German Mark currency symbol, before WWII
when used for the Mark symbol, the range of glyph variation is restricted
`20BB` ₻ nordic mark sign
<font> `004D` M latin capital letter m
`2134` ℴ Script Small O
=order, of inferior order to
<font> `006F` o latin small letter o

## Hebrew letterlike math symbols

These are left-to-right characters.
`2135` ℵ Alef Symbol
=first transfinite cardinal (countable)
`05D0` ‎א‎ hebrew letter alef
`2136` ℶ Bet Symbol
=second transfinite cardinal (the continuum)
`05D1` ‎ב‎ hebrew letter bet
`2137` ℷ Gimel Symbol
=third transfinite cardinal (functions of a real variable)
`05D2` ‎ג‎ hebrew letter gimel
`2138` ℸ Dalet Symbol
=fourth transfinite cardinal
`05D3` ‎ד‎ hebrew letter dalet

`2139` ℹ Information Source
intended for use with `20DD` ◌⃝
`1F6C8` 🛈 circled information source
<font> `0069` i latin small letter i
`213A` ℺ Rotated Capital Q
a binding signature mark
`213B` ℻ Facsimile Sign
typical forms for this symbol may use lowercase, small caps or superscripted letter shapes
`2121` ℡ telephone sign
`1F4E0` 📠 fax machine
`0046` F `0041` A `0058` X
`213C` ℼ Double-Struck Small Pi
<font> `03C0` π greek small letter pi
`213D` ℽ Double-Struck Small Gamma
<font> `03B3` γ greek small letter gamma
`213E` ℾ Double-Struck Capital Gamma
<font> `0393` Γ greek capital letter gamma
`213F` ℿ Double-Struck Capital Pi
<font> `03A0` Π greek capital letter pi

## Double-struck large operator

`2140` ⅀ Double-Struck N-Ary Summation
<font> `2211` ∑ n-ary summation

`2141` ⅁ Turned Sans-Serif Capital G
=game
`A4E8` ꓨ lisu letter hha
`2142` ⅂ Turned Sans-Serif Capital L
`A4F6` ꓶ lisu letter uh
`2143` ⅃ Reversed Sans-Serif Capital L
`2144` ⅄ Turned Sans-Serif Capital Y
`11FB0` 𑾰 lisu letter yha

## Double-struck italic math symbols

These stylized mathematical symbols are used in some documents to distinguish special mathematical usages from ordinary variables.
`2145` ⅅ Double-Struck Italic Capital D
sometimes used for the differential
<font> `0044` D latin capital letter d
`2146` ⅆ Double-Struck Italic Small D
sometimes used for the differential
<font> `0064` d latin small letter d
`2147` ⅇ Double-Struck Italic Small E
sometimes used for the natural exponent
<font> `0065` e latin small letter e
`2148` ⅈ Double-Struck Italic Small I
sometimes used for the imaginary unit
<font> `0069` i latin small letter i
`2149` ⅉ Double-Struck Italic Small J
sometimes used for the imaginary unit
<font> `006A` j latin small letter j

`214A` ⅊ Property Line
`214B` ⅋ Turned Ampersand
used in linear logic
`0026` & ampersand
`214C` ⅌ Per Sign
abbreviates the word 'per'
`214D` ⅍ Aktieselskab
`2101` ℁ addressed to the subject

## Lowercase Claudian letter

Claudian letters in inscriptions are uppercase, but may be transcribed by scholars in lowercase.
`214E` ⅎ Turned Small F
uppercase is `2132` Ⅎ
`03DD` ϝ greek small letter digamma
`2132` Ⅎ turned capital f

## Biblical editorial symbol

`214F` ⅏ Symbol For Samaritan Source