Math / Logic / Sets (prefix: H)
Additional Symbols
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| โ U+21E0 |
. โ <
|
โ | Leftwards dashed arrow |
| โข U+21E2 |
. โ >
|
โ | Rightwards dashed arrow |
| โท U+21B7 | โ |
h c w
|
Clockwise top semicircle arrow |
| โถ U+21B6 | โ |
h c c w
|
Counterclockwise top semicircle arrow |
| โ U+2713 |
v . v
|
โ | Check mark |
| โ U+2717 | โ |
x x x
|
Ballot X |
| โข U+2022 |
. *
|
โ | Bullet |
| โ U+2660 | โ |
k * s
|
Spade suit |
| โฅ U+2665 | โ |
k * h
|
Heart suit |
| โฆ U+2666 | โ |
k * d
|
Diamond suit |
| โฃ U+2663 | โ |
k * c
|
Club suit |
Arithmetic & Relations
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| ยฑ U+00B1 |
+ โ
|
โ | Plus-minus sign |
| ร U+00D7 |
* *
|
โ | Multiplication sign |
| รท U+00F7 |
: โ
|
h d i v
|
Division sign |
| < U+003C | โ |
h l t
|
Less than |
| > U+003E | โ |
h g t
|
Greater than |
| โค U+2264 |
< =
|
h l e q
|
Less-than or equal to |
| โฅ U+2265 |
> =
|
h g e q
|
Greater-than or equal to |
| โ U+2260 |
! =
|
h n e q
|
Not equal to |
| โ U+2248 |
~ =
|
โ | Approximately equal to |
| โ U+2243 |
โ ~
|
โ | Asymptotically equal to |
| โ U+2250 |
. ~ =
|
โ | Approaches the limit |
| โ U+2254 |
: =
|
โ | Colon equals |
| โ U+2255 |
= :
|
โ | Equals colon |
| โช U+226A |
< < <
|
h m l t
|
Much less-than (visual: <<<) |
| โซ U+226B |
> > >
|
h m g t
|
Much greater-than (visual: >>>) |
| โบ U+227A |
< ~
|
โ | Precedes |
| โป U+227B |
~ >
|
โ | Succeeds |
| โ U+22C8 |
> <
|
h j o i n
|
Bowtie (join operator) |
Arrows
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| โ U+2192 |
โ >
|
โ | Rightwards arrow |
| โ U+2190 |
< โ
|
h l e f t
|
Leftwards arrow |
| โ U+2194 |
< >
|
โ | Left right arrow |
| โ U+21D2 |
= >
| > >
|
h i m p l
|
Rightwards double arrow (implies) |
| โ U+21D0 |
| < <
|
โ | Leftwards double arrow (visual: |<<) |
| โ U+21D4 |
= < >
|
h i f f
|
Left right double arrow (iff) |
| โ U+21D1 |
= ^
|
h d u p
|
Upwards double arrow |
| โ U+21D3 |
= v
|
โ | Downwards double arrow |
| โ U+2191 |
^ ^ ^
|
h u p
|
Upwards arrow |
| โ U+2193 |
v v
|
h d o w n
|
Downwards arrow |
| โ U+2195 | โ |
h u d
|
Up-down arrow (mnemonic: ud) |
| โ U+2197 | โ |
h d a u r
|
North-east arrow (diagonal arrow up-right) |
| โ U+2198 | โ |
h d a d r
|
South-east arrow (diagonal arrow down-right) |
| โ U+2196 | โ |
h d a u l
|
North-west arrow (diagonal arrow up-left) |
| โ U+2199 | โ |
h d a d l
|
South-west arrow (diagonal arrow down-left) |
| โ U+2794 | โ |
h v a r
|
Heavy wide-headed rightwards arrow (v=heavy) |
| โฌ U+2B05 | โ |
h v a l
|
Heavy leftwards arrow (v=heavy) |
| โ U+279C | โ |
h v r a
|
Heavy round-tipped rightwards arrow (v=heavy) |
| โ U+2799 | โ |
h v c a
|
Heavy rightwards arrow chevron (v=heavy) |
Calculus & Operators
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| โ U+2202 |
d /
|
h d e l
|
Partial differential (visual: d with slash) |
| โ U+2207 | โ |
h D
|
Nabla |
| โซ U+222B | โ |
h i t
|
Integral |
| โฌ U+222C | โ |
h i 2
|
Double integral |
| โญ U+222D | โ |
h i 3
|
Triple integral |
| โฎ U+222E | โ |
h i c
|
Contour integral |
| โ U+2211 | โ |
h S U
|
N-ary summation |
| โ U+220F | โ |
h P n
|
N-ary product |
| โ U+2218 | โ |
h c o
|
Ring operator (function composition: fโg) |
Common Fractions
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| ยฝ U+00BD |
1 / 2
|
โ | Vulgar fraction one half |
| โ U+2153 |
1 / 3
|
โ | Vulgar fraction one third |
| โ U+2154 |
2 / 3
|
โ | Vulgar fraction two thirds |
| ยผ U+00BC |
1 / 4
|
โ | Vulgar fraction one quarter |
| ยพ U+00BE |
3 / 4
|
โ | Vulgar fraction three quarters |
| โ U+2155 |
1 / 5
|
โ | Vulgar fraction one fifth |
| โ U+215B |
1 / 8
|
โ | Vulgar fraction one eighth |
| โ U+215C |
3 / 8
|
โ | Vulgar fraction three eighths |
| โ U+215D |
5 / 8
|
โ | Vulgar fraction five eighths |
| โ U+215E |
7 / 8
|
โ | Vulgar fraction seven eighths |
Logic
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| ยฌ U+00AC | โ |
h n o t
|
Not sign |
| โง U+2227 | โ |
h a
|
Logical and |
| โจ U+2228 | โ |
h o
|
Logical or |
| โผ U+22BC | โ |
h ! a
|
NAND (Sheffer stroke) |
| โฝ U+22BD | โ |
h ! o
|
NOR (Peirce arrow) |
| โ U+2200 | โ |
h f
|
For all |
| โ U+2203 | โ |
h E
|
There exists |
| โ U+2204 |
! h E
|
โ | There does not exist |
| โ U+2295 | โ |
h x o
|
Circled plus (XOR) |
| โ U+2296 | โ |
h x m
|
Circled minus |
| โ U+2297 | โ |
h t e
|
Circled times (tensor product) |
| โ U+2298 | โ |
h x d
|
Circled division slash |
Misc Math & Symbols
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| โ U+221E | โ |
h 8
|
Infinity |
| โฅ U+2225 | โ |
h | |
|
Parallel to |
| โฆ U+2226 | โ |
! h | |
|
Not parallel to |
| โฃ U+2223 | โ |
h | v
|
Divides |
| โค U+2224 | โ |
! h | v
|
Does not divide |
| ยท U+00B7 | โ |
h .
|
Middle dot operator |
| โ U+221A |
/ v
|
h s q r t
|
Square root (visual: check mark / V shape) |
| โ U+221B |
3 / v
|
h c b r t
|
Cube root (visual: 3rd root, extends /v pattern) |
| โ U+2220 | โ |
h A N
|
Angle |
| โฅ U+22A5 | โ |
h p
h b o
|
Perpendicular |
| โด U+2234 |
. . :
|
โ | Therefore (three dots in triangle) |
| โต U+2235 |
: . .
|
โ | Because (inverted therefore) |
| โก U+2261 |
= ~ =
|
โ | Identical to / Equivalent to |
| โข U+2262 |
! ~ =
|
โ | Not identical to |
| โ U+221D | โ |
h P R
|
Proportional to |
| โ U+220E | โ |
h q e
|
End of proof (QED) |
| โ U+2119 | โ |
h P r
|
Double-struck capital P (primes) |
| โ U+210D | โ |
h H
|
Double-struck capital H (quaternions) |
| ๐ U+1D400 | โ |
h b A
|
Bold capital A (font-dependent) |
| โก U+23A1 | โ |
h [
|
Left square bracket upper corner (for matrices) |
| โค U+23A4 | โ |
h ]
|
Right square bracket upper corner (for matrices) |
| โ U+2210 | โ |
h c p
|
N-ary coproduct |
| โค U+22A4 | โ |
h t o
|
Down tack (top) |
| โ U+228A | โ |
h s P
|
Proper subset of (strict) |
| โ U+228B | โ |
h S p
|
Proper superset of (strict) |
| โ U+2113 | โ |
h l l
|
Script small l (liters, length) |
| โฏ U+22EF |
. . โ
|
โ | Midline horizontal ellipsis |
| โฑ U+2031 | โ |
h b p s
|
Per ten thousand (basis points) |
Set Theory
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| โ U+2205 | โ |
h 0
|
Empty set |
| โช U+222A | โ |
h U
|
Union |
| โฉ U+2229 | โ |
h I
|
Intersection |
| โ U+2282 | โ |
h s b
|
Subset of (strict) |
| โ U+2283 | โ |
h s p
|
Superset of (strict) |
| โ U+2286 | โ |
h s e b
|
Subset or equal to |
| โ U+2287 | โ |
h s e p
|
Superset or equal to |
| โ U+2284 | โ |
! h s b
|
Not a subset of |
| โ U+2285 | โ |
! h s p
|
Not a superset of |
| โ U+2288 | โ |
! h s e b
|
Not subset or equal to |
| โ U+2289 | โ |
! h s e p
|
Not superset or equal to |
| โ U+2208 | โ |
h e
h i n
|
Element of |
| โ U+2209 | โ |
! h e
|
Not an element of |
| โ U+220B | โ |
h n i
|
Contains as member (ni = reverse of "in") |
| โ U+220C | โ |
! h n i
|
Does not contain as member |
| โ U+2115 | โ |
h N
|
Double-struck capital N (natural numbers) |
| โค U+2124 | โ |
h Z
|
Double-struck capital Z (integers) |
| โ U+211A | โ |
h Q
|
Double-struck capital Q (rationals) |
| โ U+211D | โ |
h R
|
Double-struck capital R (reals) |
| โ U+2102 | โ |
h C
|
Double-struck capital C (complex numbers) |
| โ U+2118 | โ |
h P o
|
Script capital P (power set) |
Greek Letters (prefix: G)
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| ฮฑ U+03B1 | โ |
g a
|
Greek small letter alpha |
| ฮฒ U+03B2 | โ |
g b
|
Greek small letter beta |
| ฮณ U+03B3 | โ |
g g
|
Greek small letter gamma |
| ฮด U+03B4 | โ |
g d
|
Greek small letter delta |
| ฮต U+03B5 | โ |
g e
|
Greek small letter epsilon |
| ฮถ U+03B6 | โ |
g z
|
Greek small letter zeta |
| ฮท U+03B7 | โ |
g h
|
Greek small letter eta |
| ฮธ U+03B8 | โ |
g t
|
Greek small letter theta |
| ฮน U+03B9 | โ |
g i
|
Greek small letter iota |
| ฮบ U+03BA | โ |
g k
|
Greek small letter kappa |
| ฮป U+03BB | โ |
g l
|
Greek small letter lambda |
| ฮผ U+03BC | โ |
g m
|
Greek small letter mu |
| ฮฝ U+03BD | โ |
g n
|
Greek small letter nu |
| ฮพ U+03BE | โ |
g x
|
Greek small letter xi |
| ฮฟ U+03BF | โ |
g o
|
Greek small letter omicron |
| ฯ U+03C0 | โ |
g p
|
Greek small letter pi |
| ฯ U+03C1 | โ |
g r
|
Greek small letter rho |
| ฯ U+03C3 | โ |
g s
|
Greek small letter sigma |
| ฯ U+03C6 | โ |
g f
|
Greek small letter phi |
| ฯ U+03C7 | โ |
g c
|
Greek small letter chi |
| ฯ U+03C8 | โ |
g y
|
Greek small letter psi |
| ฯ U+03C9 | โ |
g w
|
Greek small letter omega |
| ฯ U+03C2 | โ |
g . s
|
Greek small letter final sigma |
| ฮ U+0391 | โ |
g A
|
Greek capital letter Alpha |
| ฮ U+0392 | โ |
g B
|
Greek capital letter Beta |
| ฮ U+0393 | โ |
g G
|
Greek capital letter Gamma |
| ฮ U+0394 | โ |
g D
|
Greek capital letter Delta |
| ฮ U+0395 | โ |
g E
|
Greek capital letter Epsilon |
| ฮ U+0396 | โ |
g Z
|
Greek capital letter Zeta |
| ฮ U+0397 | โ |
g H
|
Greek capital letter Eta |
| ฮ U+0398 | โ |
g T
|
Greek capital letter Theta |
| ฮ U+0399 | โ |
g I
|
Greek capital letter Iota |
| ฮ U+039A | โ |
g K
|
Greek capital letter Kappa |
| ฮ U+039B | โ |
g L
|
Greek capital letter Lambda |
| ฮ U+039C | โ |
g M
|
Greek capital letter Mu |
| ฮ U+039D | โ |
g N
|
Greek capital letter Nu |
| ฮ U+039E | โ |
g X
|
Greek capital letter Xi |
| ฮ U+039F | โ |
g O
|
Greek capital letter Omicron |
| ฮ U+03A0 | โ |
g P
|
Greek capital letter Pi |
| ฮก U+03A1 | โ |
g R
|
Greek capital letter Rho |
| ฮฃ U+03A3 | โ |
g S
|
Greek capital letter Sigma |
| ฮฆ U+03A6 | โ |
g F
|
Greek capital letter Phi |
| ฮง U+03A7 | โ |
g C
|
Greek capital letter Chi |
| ฮจ U+03A8 | โ |
g Y
|
Greek capital letter Psi |
| ฮฉ U+03A9 | โ |
g W
|
Greek capital letter Omega |
| ฮฌ U+03AC | โ |
g ' a
|
Greek small letter alpha with tonos |
| ฮญ U+03AD | โ |
g ' e
|
Greek small letter epsilon with tonos |
| ฮฎ U+03AE | โ |
g ' h
|
Greek small letter eta with tonos |
| ฮฏ U+03AF | โ |
g ' i
|
Greek small letter iota with tonos |
| ฯ U+03CC | โ |
g ' o
|
Greek small letter omicron with tonos |
| ฯ U+03CD | โ |
g ' y
|
Greek small letter upsilon with tonos |
| ฯ U+03CE | โ |
g ' w
|
Greek small letter omega with tonos |
Superscripts & Subscripts (prefix: ^ _)
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| โฐ U+2070 |
^ 0
|
โ | Superscript zero |
| ยน U+00B9 |
^ 1
|
โ | Superscript one |
| ยฒ U+00B2 |
^ 2
|
โ | Superscript two |
| ยณ U+00B3 |
^ 3
|
โ | Superscript three |
| โด U+2074 |
^ 4
|
โ | Superscript four |
| โต U+2075 |
^ 5
|
โ | Superscript five |
| โถ U+2076 |
^ 6
|
โ | Superscript six |
| โท U+2077 |
^ 7
|
โ | Superscript seven |
| โธ U+2078 |
^ 8
|
โ | Superscript eight |
| โน U+2079 |
^ 9
|
โ | Superscript nine |
| โบ U+207A |
^ +
|
โ | Superscript plus |
| โป U+207B |
^ โ
|
โ | Superscript minus |
| โผ U+207C |
^ =
|
โ | Superscript equals |
| โฝ U+207D |
^ (
|
โ | Superscript left parenthesis |
| โพ U+207E |
^ )
|
โ | Superscript right parenthesis |
| แต U+1D43 |
^ a
|
โ | Superscript a |
| แต U+1D47 |
^ b
|
โ | Superscript b |
| แถ U+1D9C |
^ c
|
โ | Superscript c |
| แต U+1D48 |
^ d
|
โ | Superscript d |
| แต U+1D49 |
^ e
|
โ | Superscript e |
| แถ U+1DA0 |
^ f
|
โ | Superscript f |
| แต U+1D4D |
^ g
|
โ | Superscript g |
| สฐ U+02B0 |
^ h
|
โ | Superscript h |
| โฑ U+2071 |
^ i
|
โ | Superscript i |
| สฒ U+02B2 |
^ j
|
โ | Superscript j |
| แต U+1D4F |
^ k
|
โ | Superscript k |
| หก U+02E1 |
^ l
|
โ | Superscript l |
| แต U+1D50 |
^ m
|
โ | Superscript m |
| โฟ U+207F |
^ n
|
โ | Superscript n |
| แต U+1D52 |
^ o
|
โ | Superscript o |
| แต U+1D56 |
^ p
|
โ | Superscript p |
| สณ U+02B3 |
^ r
|
โ | Superscript r |
| หข U+02E2 |
^ s
|
โ | Superscript s |
| แต U+1D57 |
^ t
|
โ | Superscript t |
| แต U+1D58 |
^ u
|
โ | Superscript u |
| แต U+1D5B |
^ v
|
โ | Superscript v |
| สท U+02B7 |
^ w
|
โ | Superscript w |
| หฃ U+02E3 |
^ x
|
โ | Superscript x |
| สธ U+02B8 |
^ y
|
โ | Superscript y |
| แถป U+1DBB |
^ z
|
โ | Superscript z |
| โ U+2080 |
_ 0
|
โ | Subscript zero |
| โ U+2081 |
_ 1
|
โ | Subscript one |
| โ U+2082 |
_ 2
|
โ | Subscript two |
| โ U+2083 |
_ 3
|
โ | Subscript three |
| โ U+2084 |
_ 4
|
โ | Subscript four |
| โ U+2085 |
_ 5
|
โ | Subscript five |
| โ U+2086 |
_ 6
|
โ | Subscript six |
| โ U+2087 |
_ 7
|
โ | Subscript seven |
| โ U+2088 |
_ 8
|
โ | Subscript eight |
| โ U+2089 |
_ 9
|
โ | Subscript nine |
| โ U+208A |
_ +
|
โ | Subscript plus |
| โ U+208B |
_ โ
|
โ | Subscript minus |
| โ U+208C |
_ =
|
โ | Subscript equals |
| โ U+208D |
_ (
|
โ | Subscript left parenthesis |
| โ U+208E |
_ )
|
โ | Subscript right parenthesis |
| โ U+2090 |
_ a
|
โ | Subscript a |
| โ U+2091 |
_ e
|
โ | Subscript e |
| โ U+2092 |
_ o
|
โ | Subscript o |
| ฤ U+0101 |
_ _ a
|
โ | a with macron |
| ฤ U+0113 |
_ _ e
|
โ | e with macron |
| ล U+014D |
_ _ o
|
โ | o with macron |
| โ U+2095 |
_ h
|
โ | Subscript h |
| แตข U+1D62 |
_ i
|
โ | Subscript i |
| โฑผ U+2C7C |
_ j
|
โ | Subscript j |
| โ U+2096 |
_ k
|
โ | Subscript k |
| โ U+2097 |
_ l
|
โ | Subscript l |
| โ U+2098 |
_ m
|
โ | Subscript m |
| โ U+2099 |
_ n
|
โ | Subscript n |
| โ U+209A |
_ p
|
โ | Subscript p |
| แตฃ U+1D63 |
_ r
|
โ | Subscript r |
| โ U+209B |
_ s
|
โ | Subscript s |
| โ U+209C |
_ t
|
โ | Subscript t |
| แตค U+1D64 |
_ u
|
โ | Subscript u |
| แตฅ U+1D65 |
_ v
|
โ | Subscript v |
| โ U+2093 |
_ x
|
โ | Subscript x |
Typography & Spacing (iconic Shortcuts)
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| โ U+2212 | โ |
h โ
|
True minus sign (math) |
| โฆ U+2026 |
. . .
|
โ | Ellipsis |
| โฎ U+22EE |
. . |
|
โ | Vertical ellipsis |
| ย U+00A0 | โ |
โฃ b
|
Non-breaking space (NBSP) |
| โ U+2009 | โ |
โฃ t
|
Thin space |
| โฏ U+202F | โ |
โฃ B
|
Narrow no-break space |
| โ U+200A | โ |
โฃ h
|
Hair space |
| โ U+2007 | โ |
โฃ 7
|
Figure space (tabular) |
| โ U+2008 | โ |
โฃ 8
|
Punctuation space |
| โ U+200C | โ |
โฃ z
|
Zero width non-joiner (ZWNJ) |
| โ U+200D | โ |
โฃ Z
|
Zero width joiner (ZWJ) |
| โ U+2013 |
โ โ .
|
โ | En dash (for ranges) |
| โ U+2014 |
โ โ โ
|
โ | Em dash (for breaks) |
| ๎ U+E0A0 | โ |
h g i
|
Git branch symbol (Powerline, font-dependent) |
| โฏ U+21AF | โ |
h m e
|
Downwards zigzag arrow (merge conflict) |
| โ U+2011 | โ |
โ b
|
Non-breaking hyphen |
Smart Quotes (iconic Shortcuts)
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| โ U+201C |
" <
|
โ | Left double quotation mark |
| โ U+201D |
> "
|
โ | Right double quotation mark |
| โ U+2018 |
' <
|
โ | Left single quotation mark |
| โ U+2019 |
> '
|
โ | Right single quotation mark |
| โ U+201E |
, "
|
โ | Double low-9 quotation mark (German/Eastern European) |
| โ U+201A |
, '
|
โ | Single low-9 quotation mark (German/Eastern European) |
| ยซ U+00AB |
< < "
|
โ | Left-pointing double angle quotation mark |
| ยป U+00BB |
> > "
|
โ | Right-pointing double angle quotation mark |
| โน U+2039 |
< ,
|
โ | Single left-pointing angle quotation mark |
| โบ U+203A |
> ,
|
โ | Single right-pointing angle quotation mark |
Units & Measurements (prefix: H, Iconic)
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| ยฐ U+00B0 |
( )
|
โ | Degree sign |
| ยฐC |
o C
|
โ | Degrees Celsius (composed sequence) |
| ยฐF |
o F
|
โ | Degrees Fahrenheit (composed sequence) |
| โ U+2103 | โ |
h d C
|
Degree Celsius symbol |
| โ U+2109 | โ |
h d F
|
Degree Fahrenheit symbol |
| โฒ U+2032 | โ |
h '
|
Prime (feet, derivatives, coordinates) |
| โณ U+2033 | โ |
h 2 '
|
Double prime (inches, 2nd derivative) |
| โด U+2034 | โ |
h 3 '
|
Triple prime (3rd derivative) |
| โ U+2057 | โ |
h 4 '
|
Quadruple prime (4th derivative) |
| โต U+2035 |
` `
|
โ | Reversed prime (backticks = backwards) |
| ร U+00C5 | โ |
h A a
|
Angstrom sign |
| ฮฉ U+03A9 | โ |
h O
|
Ohm (Greek Omega capital) |
| โฐ U+2030 | โ |
h %
|
Per mille sign |
| โ U+210F | โ |
h b a r
|
Hbar (Planck constant over 2pi) |
| โจ U+27E8 | โ |
h b r a
|
Mathematical left angle bracket (bra) |
| โฉ U+27E9 | โ |
h k e t
|
Mathematical right angle bracket (ket) |
| โ U+269B | โ |
h @
|
Atom symbol |
International Punctuation (iconic Shortcuts)
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| ยก U+00A1 |
! !
|
โ | Inverted exclamation mark (Spanish) |
| ยฟ U+00BF |
? ?
|
โ | Inverted question mark (Spanish) |
| โ U+2116 |
N o
|
โ | Numero sign (Cyrillic/European) |
| โฝ U+203D |
? !
|
โ | Interrobang |
UI Symbols & Shapes (prefix: K)
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| โ U+2318 | โ |
k c
|
Place of Interest sign (Command key) |
| โฅ U+2325 | โ |
k o
|
Option key symbol |
| โ U+2303 | โ |
k r
|
Up arrowhead (Control key symbol) |
| โง U+21E7 | โ |
k s
|
Upwards white arrow (Shift) |
| โ U+23CE | โ |
k e
|
Return symbol (Enter) |
| โซ U+232B | โ |
k b
|
Erase to the left (Backspace) |
| โฆ U+2326 | โ |
k d
|
Erase to the right (Delete) |
| โ U+238B | โ |
k x
|
Broken circle with northwest arrow (Escape) |
| โ U+2388 | โ |
k C
|
Helm symbol often used for Control |
| โ U+25CB | โ |
k O w
|
White circle (O=circle) |
| โ U+25CF | โ |
k O b
|
Black circle (O=circle) |
| โ U+25C9 | โ |
k O d
|
Fisheye dotted circle (O=circle) |
| โ U+25CC | โ |
k O e
|
Dotted circle diacritic placeholder (O=circle) |
| โก U+25A1 | โ |
k w s
|
White square |
| โป U+25FB | โ |
k w S
|
White medium square |
| โ U+25A0 | โ |
k f s
|
Black filled square |
| โผ U+25FC | โ |
k f S
|
Black filled medium square |
| โฒ U+25B2 | โ |
k t r u
|
Black up-pointing triangle |
| โผ U+25BC | โ |
k t r d
|
Black down-pointing triangle |
| โ U+25C0 | โ |
k t r l
|
Black left-pointing triangle |
| โถ U+25B6 | โ |
k t r r
|
Black right-pointing triangle |
| โ U+25CA | โ |
k l o
|
Lozenge (diamond shape) |
| โ U+2610 | โ |
k [ ]
|
Ballot box (empty checkbox) |
| โ U+2611 | โ |
k [ v
|
Ballot box with check (checked) |
| โ U+2612 | โ |
k [ x
|
Ballot box with X (crossed) |
| โฆ U+25E6 | โ |
k w b
|
White bullet |
Higher Logic / Category Theory / Long Arrows (prefix: H)
Category Theory Arrows
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| โฆ U+21A6 | โ |
h m s
|
Rightwards arrow from bar (mapsto) |
| โช U+21AA | โ |
h j n
|
Rightwards arrow with hook (injection) |
| โ U+21A0 |
> | >
|
h s u r
|
Rightwards two-headed arrow (surjection/epi) |
| โ U+2245 | โ |
I S
h i s o m
|
Approximately equal to (isomorphism) |
| โฃ U+21A3 | โ |
h t a
|
Rightwards arrow with tail |
| โ U+21DD | โ |
h h r
|
Rightwards squiggle arrow |
| โผ U+27FC | โ |
h l m s
|
Long mapsto (mnemonic: lms) |
Long Implication Arrows
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| โน U+27F9 |
= = = >
|
h l i m p
|
Long implies |
| โธ U+27F8 |
| = =
|
h l i m b
|
Long implied by |
| โบ U+27FA |
> | <
|
h l i f f
|
Long iff |
Long Plain Arrows
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| โถ U+27F6 |
| | >
|
h l a r
|
Long rightwards arrow |
| โต U+27F5 |
| | <
|
h l a l
|
Long leftwards arrow |
| โท U+27F7 |
| | โ >
|
h l a b
|
Long left right arrow |
Turnstiles & Entailment
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| โข U+22A2 | โ |
h t r
|
Right tack (provable) |
| โฃ U+22A3 | โ |
h t l
|
Left tack |
| โซ U+22AB | โ |
h t t
|
Double turnstile |
| โจ U+22A8 | โ |
h m o
|
Models (semantic entailment) |
| โง U+22A7 | โ |
h m v
|
Models (alternative) |
| โฉ U+22A9 | โ |
h F R
|
Forces (forcing) |
| โฌ U+22AC | โ |
! h t r
|
Not provable |
| โญ U+22AD | โ |
! h m o
|
Not models |
| โฎ U+22AE | โ |
! h t t
|
Not double turnstile |
| โฏ U+22AF | โ |
! h f r
|
Not forces |
Currency (prefix: C)
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| โฌ U+20AC |
E =
|
c e
|
Euro sign |
| ยฃ U+00A3 |
L โ
|
c p
|
Pound sign |
| ยฅ U+00A5 |
Y โ
|
c y
|
Yen sign |
| โน U+20B9 |
R |
|
c r
|
Indian rupee sign |
| โฟ U+20BF |
B b
|
c b
|
Bitcoin sign |
| โฝ U+20BD |
R u
|
c R
|
Ruble sign |
| โฉ U+20A9 |
W =
|
c w
|
Won sign (KRW) |
| โซ U+20AB |
D =
|
c d
|
Dong sign (VND) |
| โช U+20AA |
N =
|
c s
|
New shekel sign (ILS) |
| โบ U+20BA |
T L
|
c t
|
Turkish lira sign (TRY) |
| โฃ U+20A3 |
F r
|
c f
|
French franc sign (legacy) |
| ยค U+00A4 |
X X
|
c x
|
Generic currency sign |
Legal / Document Symbols (iconic Shortcuts)
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| ยฉ U+00A9 | โ |
C C
|
Copyright sign |
| ยฎ U+00AE | โ |
R R
|
Registered trademark sign |
| โข U+2122 | โ |
T M
|
Trademark sign (TM abbreviation) |
| ยง U+00A7 | โ |
S S
|
Section sign |
| ยถ U+00B6 | โ |
P P
|
Pilcrow sign (paragraph mark) |
| โ U+2020 | โ |
D D
|
Dagger (footnote) |
| โก U+2021 | โ |
F F
|
Double dagger (footnote) |
Chemistry (prefix: H, Iconic)
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| โ U+21CC |
| = >
|
h c e q
|
Equilibrium arrow |
| โฝ U+21BD |
โ | โ
|
h c h l
|
Leftwards harpoon with barb downwards (reversible reaction left) |
| โ U+21C1 |
| โ >
|
h c h r
|
Rightwards harpoon with barb downwards (reversible reaction right) |
Astronomy (prefix: H, Iconic)
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| โ U+2605 | โ |
h * b
|
Black star |
| โ U+2606 | โ |
h * w
|
White star |
| โ U+2609 | โ |
h S u
|
Sun symbol |
| โ U+2641 | โ |
h T e
|
Earth symbol (Terra) |
| โ U+2642 | โ |
h M a
|
Mars symbol |
| โ U+2640 | โ |
h V e
|
Venus symbol |
| โ U+2643 | โ |
h J u
|
Jupiter symbol |
| โ U+2644 | โ |
h S a
|
Saturn symbol |
| โฝ U+263D | โ |
h m 1
|
First quarter moon |
| โพ U+263E | โ |
h m 3
|
Last quarter moon |
| โ U+260A | โ |
h ^ n
|
Ascending node (up/ascending) |
| โ U+260B | โ |
h v v n
|
Descending node (down/vv) |
Box-drawing (prefix: B)
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| โ U+2500 | โ |
b โ
|
Box drawings light horizontal |
| โ U+2502 | โ |
b |
|
Box drawings light vertical |
| โ U+250C | โ |
b l u
|
Box drawings light down and right |
| โ U+2510 | โ |
b r u
|
Box drawings light down and left |
| โ U+2514 | โ |
b l d
|
Box drawings light up and right |
| โ U+2518 | โ |
b r d
|
Box drawings light up and left |
| โฌ U+252C | โ |
b t
|
Box drawings light down and horizontal |
| โด U+2534 | โ |
b T
|
Box drawings light up and horizontal |
| โ U+251C | โ |
b L
|
Box drawings light vertical and right |
| โค U+2524 | โ |
b R
|
Box drawings light vertical and left |
| โผ U+253C | โ |
b +
|
Box drawings light vertical and horizontal |
| โ U+2550 | โ |
b D โ
|
Box drawings double horizontal |
| โ U+2551 | โ |
b D |
|
Box drawings double vertical |
| โฌ U+256C | โ |
b D +
|
Box drawings double vertical and horizontal |
| โ U+2554 | โ |
b D l u
|
Box drawings double down and right |
| โ U+2557 | โ |
b D r u
|
Box drawings double down and left |
| โ U+255A | โ |
b D l d
|
Box drawings double up and right |
| โ U+255D | โ |
b D r d
|
Box drawings double up and left |
| โญ U+256D | โ |
b D c l u
|
Box drawings light arc down and right (rounded upper left) |
| โฎ U+256E | โ |
b D c r u
|
Box drawings light arc down and left (rounded upper right) |
| โฐ U+2570 | โ |
b D c l d
|
Box drawings light arc up and right (rounded lower left) |
| โฏ U+256F | โ |
b D c r d
|
Box drawings light arc up and left (rounded lower right) |
| โฑ U+2571 | โ |
b /
|
Light diagonal upper right to lower left |
| โฒ U+2572 | โ |
b \
|
Light diagonal upper left to lower right |
| โ U+2591 | โ |
b s l
|
Light shade |
| โ U+2592 | โ |
b s m
|
Medium shade |
| โ U+2593 | โ |
b s d
|
Dark shade |
| โฆ U+2566 | โ |
b D t
|
Double down and horizontal |
International Diacritics (prefix: I)
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| รก U+00E1 | โ |
i acute a
|
a acute |
| รจ U+00E8 | โ |
i ` e
|
e grave |
| รฑ U+00F1 | โ |
i tilde n
|
n tilde |
| รผ U+00FC | โ |
i diaeresis u
|
u diaeresis |
IPA (prefix: P)
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| ส U+0283 | โ |
p s
|
IPA voiceless postalveolar fricative (esh) |
| ส U+0292 | โ |
p z
|
IPA voiced postalveolar fricative (ezh) |
| ฮธ U+03B8 | โ |
p t
|
Greek theta used in IPA (voiceless dental fricative) |
| รฐ U+00F0 | โ |
p d
|
IPA voiced dental fricative (eth) |
| ล U+014B | โ |
p n
|
IPA velar nasal (eng) |
| ษพ U+027E | โ |
p r
|
IPA alveolar tap |
| ษซ U+026B | โ |
p l
|
IPA velarized L |
| ส U+028D | โ |
p w
|
IPA voiceless labial-velar approximant |
| ส U+028B | โ |
p v
|
IPA labiodental approximant |
| ษก U+0261 | โ |
p g
|
IPA script g |
| j U+006A | โ |
p j
|
IPA palatal approximant |
| ส U+0294 | โ |
p q
|
IPA glottal stop |
| ษ U+0259 | โ |
p e e
|
IPA schwa (most common, double-e) |
| ษ U+025A | โ |
p E R
|
IPA rhotic schwa (uppercase E+R for rhotic) |
| ษ U+0250 | โ |
p a
|
IPA near-open central vowel |
| ษ U+025C | โ |
p 3
|
IPA open-mid central vowel |
| ษ U+025E | โ |
p 6
|
IPA closed-mid central rounded vowel |
| ษช U+026A | โ |
p I
|
IPA near-close front unrounded vowel |
| ส U+028A | โ |
p U
|
IPA near-close back rounded vowel |
| ส U+028C | โ |
p o v
|
IPA open-mid back unrounded vowel |
| ษ U+0251 | โ |
p A A
|
IPA open back unrounded vowel |
| ษ U+0252 | โ |
p O
|
IPA open back rounded vowel |
| รธ U+00F8 | โ |
p o e
|
IPA close-mid front rounded vowel |
| ล U+0153 | โ |
p o E
|
IPA open-mid front rounded vowel |
| ษถ U+0276 | โ |
p o O
|
IPA open front rounded vowel |
| y U+0079 | โ |
p y
|
IPA close front rounded vowel |
| ส U+028F | โ |
p Y
|
IPA near-close front rounded vowel |
| รฆ U+00E6 | โ |
p A e
|
IPA near-open front unrounded vowel |
| ษ U+025B | โ |
p e p s
|
IPA open-mid front unrounded vowel |
| ห U+02D0 | โ |
p :
|
IPA length mark |
| ห U+02D1 | โ |
p ;
|
IPA half-length mark |
| ห U+02C8 | โ |
p '
|
IPA primary stress |
| ห U+02CC | โ |
p ,
|
IPA secondary stress |
| อก U+0361 | โ |
p c t
|
Combining tie bar above |
| อ U+035C | โ |
p c T
|
Combining tie bar below |
| ฬ U+0303 | โ |
p c n
|
Combining tilde (nasalization) |
Calligraphic / Fraktur (prefix: K)
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| โ U+210B | โ |
k H
|
Script capital H |
| โ U+2110 | โ |
k I
|
Script capital I |
| โ U+2112 | โ |
k L
|
Script capital L |
| โ U+211B | โ |
k R
|
Script capital R |
| โฑ U+2131 | โ |
k F
|
Script capital F |
| โฌ U+212C | โ |
k B
|
Script capital B |
| โญ U+212D | โ |
k f C
|
Blackletter capital C |
| โ U+210C | โ |
k h
|
Blackletter capital H |
| โ U+2111 | โ |
k f I
|
Blackletter capital I (Imaginary part) |
| โ U+211C | โ |
k f R
|
Blackletter capital R (Real part) |
| โจ U+2128 | โ |
k Z
|
Blackletter capital Z |
| โต U+2135 | โ |
k N
|
Aleph symbol |
| ๐ฎ U+1D4AE | โ |
k S
|
Mathematical script capital S |
| ๐ U+1D4DC | โ |
k M
|
Mathematical script capital M |
| ๐ U+1D49E | โ |
k m C
|
Mathematical script capital C |
Music Symbols (prefix: U)
| Symbol | Iconic | Mnemonic | Description |
|---|---|---|---|
| โช U+266A | โ |
u n 8
|
Eighth note |
| โซ U+266B | โ |
u n b
|
Beamed eighth notes |
| โญ U+266D | โ |
u f
|
Flat |
| โฎ U+266E | โ |
u n a t
|
Natural |
| โฏ U+266F | โ |
u s
|
Sharp |
| ๐ป U+1D13B | โ |
u r q
|
Quarter rest (font-dependent) |
| ๐ผ U+1D13C | โ |
u r h
|
Half rest (font-dependent) |
| ๐บ U+1D13A | โ |
u r w
|
Whole rest (font-dependent) |