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Insert Equation

You can insert equations into a flashcard using the TeX language. Additional symbols on WikiBooks.

Basics: Symbols are a slash followed by a symbol name. Anything between 2 curly braces represents a logical group.

Try typing in one of the example equations:



Equation Examples
Result
x + y - a \times b \cdot c

2^n \times 2_x

\frac{x+t}{y}
\sum_{k=1}^n k = \frac{n(n+1)}{2}
\max_{0\le x\le 1}x(1-x)=1/4
\lim_{x\to\infty}f(x)=0

x = \frac{-b \pm \sqrt {b^2-4ac}}{2a}


Equation:



Insert Symbol

Small a with grave
à
224
Small a with circumflex
â
226
Small ae Ligature
æ
230
Small c with cedilla
ç
231
Small e with grave
è
232
Small e with acute
é
233
Small e with circumflex
ê
234
Small e with umlaut
ë
235
Small i with circumflex
î
238
Small i with umlaut
ï
239
Small o with circumflex
ô
244
Small oe ligature
œ
339
Small u with grave
ù
249
Small u with circumflex
û
251
Small u with umlaut
ü
252
Small Y with diaeresis
ÿ
255

Capital A with grave
À
192
Capital A with circumflex
Â
194
Capital AE Ligature
Æ
198
Capital C with cedilla
Ç
199
Capital E with grave
È
200
Capital E with acute
É
201
Capital E with circumflex
Ê
202
Capital E with umlaut
Ë
203
Capital I with circumflex
Î
206
Capital I with umlaut
Ï
207
Capital O with circumflex
Ô
212
Capital OE ligature
Œ
338
Capital U with grave
Ù
217
Capital U with circumflex
Û
219
Capital U with umlaut
Ü
220
Capital Y with diaeresis
Ÿ
376
Small A with acute
á
225
Small e with acute
é
233
Small I with acute
í
237
Small N with tilde
ñ
241
Small o with acute
ó
243
Small U with acute
ú
250
Small U with umlaut
ü
252
Inverted exclamation point
¡
161

Capital A with acute
Á
193
Capital E with acute
É
201
Capital I with acute
Í
205
Capital N with tilde
Ñ
209
Capital O with acute
Ó
211
Capital U with acute
Ú
218
Capital U with umlaut
Ü
220
Inverted question mark
¿
191
Small a with umlaut
ä
228
Small e with acute
é
233
Small o with umlaut
ö
246
Small u with umlaut
ü
252

Capital A with umlaut
Ä
196
Capital E with acute
É
201
Capital O with umlaut
Ö
214
Capital U with umlaut
Ü
220
SZ ligature
ß
223
Small a with grave
à
224
Small e with grave
è
232
Small e with acute
é
233
Small i with grave
ì
236
Small o with grave
ò
242
Small u with grave
ù
249

Capital A with grave
À
192
Capital E with grave
È
200
Capital E with acute
É
201
Capital I with grave
Ì
204
Capital O with grave
Ò
210
Capital U with grave
Ù
217
Small Alpha
α
945
Small Beta
β
946
Small Gamma
γ
947
Small Delta
δ
948
Small Epsilon
ε
949
Small Zeta
ζ
950
Small Eta
η
951
Small Theta
θ
952
Small Iota
ι
953
Small Kappa
κ
954
Small Lambda
λ
955
Small Mu
μ
956
Small Nu
ν
957
Small Xi
ξ
958
Small Omicron
ο
959
Small Pi
π
960
Small Rho
ρ
961
Small Sigma
σ
963
Small Tau
τ
964
Small Upsilon
υ
965
Small Phi
φ
966
Small Chi
χ
967
Small Psi
ψ
968
Small Omega
ω
969

Capital Alpha
Α
913
Capital Beta
Β
914
Capital Gamma
Γ
915
Capital Delta
Δ
916
Capital Epsilon
Ε
917
Capital Zeta
Ζ
918
Capital Eta
Η
919
Capital Theta
Θ
920
Capital Iota
Ι
921
Capital Kappa
Κ
922
Capital Lambda
Λ
923
Capital Mu
Μ
924
Capital Nu
Ν
925
Capital Xi
Ξ
926
Capital Omicron
Ο
927
Capital Pi
Π
928
Capital Rho
Ρ
929
Capital Sigma
Σ
931
Capital Tau
Τ
932
Capital Upsilon
Υ
933
Capital Phi
Φ
934
Capital Chi
Χ
935
Capital Psi
Ψ
936
Capital Omega
Ω
937
Right angle quotes
»
187
Greater-than sign
>
62
Middle dot
·
183
Division sign
÷
247
square root sign
√
8730
per mille sign
‰
8240
fraction one-half
½
189
Pound
£
163
Lira
₤
8356
Degree sign
°
176
Small O with slash
ø
248
Small y with acute
ý
253

Left angle quotes
«
171
Lower-than sign
<
60
Plus-minus sign
±
177
Multiplication sign
×
215
not equal to
≠
8800
integral
∫
8747
fraction one-quarter
¼
188
Euro
€
8364
Franc
₣
8355
Peseta
₧
8359
Capital
Ø
216
Capital
Ý
221
LESS THAN
<
60
GREATER THAN
>
62
LESS THAN OR EQUAL TO
≤
8804
GREATER THAN OR EQUAL TO
≥
8805
PLUS OR MINUS
±
177
NOT EQUALS
≠
8800
DIVISION SIGN
÷
247
TIMES X
×
215
MINUS
−
8722
DIVISION SLASH
∕
8725
FRACTION SLASH
⁄
8260
SQUARE ROOT RADICAL
√
8730
CUBE ROOT
∛
8731
FOURTH ROOT
∜
8732
INFINITY
∞
8734
ALEF INFINITY SYMBOL
ℵ
8501
FUNCTION ITALIC F
ƒ
402
PRIME (single quote)
′
8242
DOUBLE PRIME (double quote)
″
8243
TRIPLE PRIME (triple quote)
‴
8244
THEREFORE (Triangular Dots)
∴
8756
DOT OPERATOR
⋅
8901
SUPERSCRIPT TWO
¹
185
SUPERSCRIPT TWO
²
178
SUPERSCRIPT THREE
³
179
LEFT ANGLE BRACKET
⟨
9001
RIGHT ANGLE BRACKET
⟩
9002
LEFT CEILING BRACKET
⌈
8968
RIGHT CEILING BRACKET
⌉
8969
LEFT FLOOR BRACKET
⌊
8970
RIGHT FLOOR BRACKET
⌋
8971
CIRCLED PLUS (Direct Sum)
⊕
8853
CIRCLED TIMES (Vector Product)
⊗
8855
FOR ALL (Upside-down A)
∀
8704
COMPLEMENT (Thin C)
∁
8705
THERE EXISTS (Backwards E)
∃
8707
THERE DOES NOT EXIST (Backwards E with slash)
∄
8708
EMPTY SET (O slash)
∅
8709
NOT SYMBOL (Corner)
¬
172
TILDE (Alternate Not Symbol)
˜
-
LOGICAL AND (Wedge or Upside down V Symbol)
∧
8743
LOGICAL OR (V Symbol)
∨
8744
XOR
⊻
8891
NAND
⊼
8892
NOR
⊽
8893
INTERSECTION (Cap or Upside Down U)
∩
8745
UNION (Cup or U Symbol)
∪
8746
ELEMENT OF
∈
8712
NOT AN ELEMENT OF
∉
8713
SMALL ELEMENT OF
∊
8714
CONTAINS AS MEMBER
∋
8715
DOES NOT CONTAIN AS MEMBER
∌
8716
SMALL CONTAINS AS MEMBER
∍
8717
SET MINUS
∖
8726
SUBSET OF (Sideways U with cap to left)
⊂
8834
SUPERSET OF (Sideways U with cap to right)
⊃
8835
NOT A SUBSET OF (Subset with Slash)
⊄
8836
NOT A SUPERSET OF (Superset with slash)
⊅
8837
SUBSET OF OR EQUAL TO (Subset with line below)
⊆
8838
SUPERSET OF OR EQUAL TO (Superset with line below)
⊇
8839
NEITHER A SUBSET OF NOR EQUAL TO
⊈
8840
NEITHER A SUPERSET OF NOR EQUAL TO
⊉
8841
SUBSET OF WITH NOT EQUAL TO
⊊
8842
SUPERSET OF WITH NOT EQUAL TO
⊋
8843
DIAMOND OPERATOR (Possibility)
⋄
8900
ASYMPTOTICALLY EQUAL TO One to one Correspondence
≃
8771
NOT ASYMPTOTICALLY EQUAL TO
≄
8772
MULTISET (U with arrow)
⊌
8844
MULTISET MULTIPLICATION (U with dot in center)
⊍
8845
MULTISET UNION (U with plus in center)
⊎
8846
DOUBLE SUBSET
⋐
8912
DOUBLE SUPERSET
⋑
8913
DOUBLE INTERSECTION
⋒
8914
DOUBLE UNION
⋓
8915
N-ARY LOGICAL AND
⋀
8896
N-ARY LOGICAL OR
⋁
8897
N-ARY INTERSECTION/td>
⋂
8898
N-ARY UNION
⋃
8899
CURLY LOGICAL OR
⋎
8910
CURLY LOGICAL AND
⋏
8911
CIRCLED PLUS (Direct Sum)
⊕
8853
CIRCLED TIMES (Vector Product)
⊗
8855
CIRCLED MINUS
⊖
8854
CIRCLED DIVISION SLASH
⊘
8856
BLACK SUN WITH RAYS
☀
2600
CLOUD
☁
2601
UMBRELLA
☂
2602
SNOWMAN
☃
2603
COMET
☄
2604
BLACK STAR
★
2605
WHITE STAR
☆
2606
LIGHTNING
☇
2607
THUNDERSTORM
☈
2608
SUN
☉
2609
ASCENDING NODE
☊
260A
DESCENDING NODE
☋
260B
CONJUNCTION
☌
260C
OPPOSITION
☍
260D
BLACK TELEPHONE
☎
260E
WHITE TELEPHONE
☏
260F
BALLOT BOX
☐
2610
BALLOT BOX WITH CHECK
☑
2611
BALLOT BOX WITH X
☒
2612
SALTIRE
☓
2613
UMBRELLA WITH RAIN DROPS
☔
2614
HOT BEVERAGE
☕
2615
WHITE SHOGI PIECE
☖
2616
BLACK SHOGI PIECE
☗
2617
SHAMROCK
☘
2618
REVERSED ROTATED FLORAL HEART BULLET
☙
2619
BLACK LEFT POINTING INDEX
☚
261A
BLACK RIGHT POINTING INDEX
☛
261B
WHITE LEFT POINTING INDEX
☜
261C
WHITE UP POINTING INDEX
☝
261D
WHITE RIGHT POINTING INDEX
☞
261E
WHITE DOWN POINTING INDEX
☟
261F
SKULL AND CROSSBONES
☠
2620
CAUTION SIGN
☡
2621
RADIOACTIVE SIGN
☢
2622
BIOHAZARD SIGN
☣
2623
CADUCEUS
☤
2624
ANKH
☥
2625
ORTHODOX CROSS
☦
2626
CHI RHO
☧
2627
CROSS OF LORRAINE
☨
2628
CROSS OF JERUSALEM
☩
2629
STAR AND CRESCENT
☪
262A
FARSI SYMBOL
☫
262B
ADI SHAKTI
☬
262C
HAMMER AND SICKLE
☭
262D
PEACE SYMBOL
☮
262E
YIN YANG
☯
262F
TRIGRAM FOR HEAVEN
☰
2630
TRIGRAM FOR LAKE
☱
2631
TRIGRAM FOR FIRE
☲
2632
TRIGRAM FOR THUNDER
☳
2633
TRIGRAM FOR WIND
☴
2634
TRIGRAM FOR WATER
☵
2635
TRIGRAM FOR MOUNTAIN
☶
2636
TRIGRAM FOR EARTH
☷
2637
WHEEL OF DHARMA
☸
2638
WHITE FROWNING FACE
☹
2639
WHITE SMILING FACE
☺
263A
BLACK SMILING FACE
☻
263B
WHITE SUN WITH RAYS
☼
263C
FIRST QUARTER MOON
☽
263D
LAST QUARTER MOON
☾
263E
MERCURY
☿
263F
FEMALE SIGN
♀
2640
EARTH
♁
2641
MALE SIGN
♂
2642
JUPITER
♃
2643
SATURN
♄
2644
URANUS
♅
2645
NEPTUNE
♆
2646
PLUTO
♇
2647
ARIES
♈
2648
TAURUS
♉
2649
GEMINI
♊
264A
CANCER
♋
264B
LEO
♌
264C
VIRGO
♍
264D
LIBRA
♎
264E
SCORPIUS
♏
264F
SAGITTARIUS
♐
2650
CAPRICORN
♑
2651
AQUARIUS
♒
2652
PISCES
♓
2653
WHITE CHESS KING
♔
2654
WHITE CHESS QUEEN
♕
2655
WHITE CHESS ROOK
♖
2656
WHITE CHESS BISHOP
♗
2657
WHITE CHESS KNIGHT
♘
2658
WHITE CHESS PAWN
♙
2659
BLACK CHESS KING
♚
265A
BLACK CHESS QUEEN
♛
265B
BLACK CHESS ROOK
♜
265C
BLACK CHESS BISHOP
♝
265D
BLACK CHESS KNIGHT
♞
265E
BLACK CHESS PAWN
♟
265F
BLACK SPADE SUIT
♠
2660
WHITE HEART SUIT
♡
2661
WHITE DIAMOND SUIT
♢
2662
BLACK CLUB SUIT
♣
2663
WHITE SPADE SUIT
♤
2664
BLACK HEART SUIT
♥
2665
BLACK DIAMOND SUIT
♦
2666
WHITE CLUB SUIT
♧
2667
HOT SPRINGS
♨
2668
QUARTER NOTE
♩
2669
EIGHTH NOTE
♪
266A
BEAMED EIGHTH NOTES
♫
266B
BEAMED SIXTEENTH NOTES
♬
266C
MUSIC FLAT SIGN
♭
266D
MUSIC NATURAL SIGN
♮
266E
MUSIC SHARP SIGN
♯
266F
upwards arrow with tip leftwards
↰
upwards arrow with tip rightwards
↱
downwards arrow with tip leftwards
↲
downwards arrow with tip rightwards
↳
leftwards arrow with stroke
↚
rightwards arrow with stroke
↛
leftwards wave arrow
↜
rightwards wave arrow
↝
leftwards two headed arrow
↞
upwards two headed arrow
↟
rightwards two headed arrow
↠
downwards two headed arrow
↡
leftwards arrow with tail
↢
rightwards arrow with tail
↣
leftwards arrow from bar
↤
upwards arrow from bar
↥
rightwards arrow from bar
↦
downwards arrow from bar
↧
up down arrow with base
↨
leftwards arrow with hook
↩
rightwards arrow with hook
↪
leftwards arrow with loop
↫
rightwards arrow with loop
↬
left right wave arrow
↭
left right arrow with stroke
↮
downwards zigzag arrow
↯
leftwards double arrow with stroke
⇍
left right double arrow with stroke
⇎
rightwards double arrow with stroke
⇏
leftwards double arrow
⇐
upwards double arrow
⇑
rightwards double arrow
⇒
downwards double arrow
⇓
left right double arrow
⇔
up down double arrow
⇕
north west double arrow
⇖
north east double arrow
⇗
south east double arrow
⇘
south west double arrow
⇙
leftwards harpoon with barb upwards
↼
leftwards harpoon with barb downwards
↽
upwards harpoon with barb rightwards
↾
upwards harpoon with barb leftwards
↿
rightwards harpoon with barb upwards
⇀
rightwards harpoon with barb downwards
⇁
downwards harpoon with barb rightwards
⇂
downwards harpoon with barb leftwards
⇃
rightwards arrow with corner downwards
↴
downwards arrow with corner leftwards
↵
anticlockwise top semicircle arrow
↶
clockwise top semicircle arrow
↷
north west arrow to long bar
↸
leftwards arrow to bar over rightwards arrow to bar
↹
anticlockwise open circle arrow
↺
clockwise open circle arrow
↻
right arrow with small circle
⇴
downwards arrow leftwards of upwards arrow
⇵
three rightwards arrows
⇶
leftwards arrow with vertical stroke
⇷
rightwards arrow with vertical stroke
⇸
left right arrow with vertical stroke
⇹
leftwards arrow with double vertical stroke
⇺
rightwards arrow with double vertical stroke
⇻
left right arrow with double vertical stroke
⇼
leftwards open-headed arrow
⇽
rightwards open-headed arrow
⇾
left right open-headed arrow
⇿
leftwards triple arrow
⇚
rightwards triple arrow
⇛
leftwards squiggle arrow
⇜
rightwards squiggle arrow
⇝
upwards arrow with double stroke
⇞
downwards arrow with double stroke
⇟
leftwards dashed arrow
⇠
upwards dashed arrow
⇡
rightwards dashed arrow
⇢
downwards dashed arrow
⇣
leftwards arrow to bar
⇤
rightwards arrow to bar
⇥
rightwards arrow over leftwards arrow
⇄
upwards arrow leftwards of downwards arrow
⇅
leftwards arrow over rightwards arrow
⇆
leftwards paired arrows
⇇
upwards paired arrows
⇈
rightwards paired arrows
⇉
downwards paired arrows
⇊
leftwards harpoon over rightwards harpoon
⇋
rightwards harpoon over leftwards harpoon
⇌
leftwards arrow
←
upwards arrow
↑
rightwards arrow
→
downwards arrow
↓
left right arrow
↔
up down arrow
↕
north west arrow
↖
north east arrow
↗
south east arrow
↘
south west arrow
↙
leftwards white arrow
⇦
upwards white arrow
⇧
rightwards white arrow
⇨
downwards white arrow
⇩
upwards white arrow from bar
⇪
upwards white arrow on pedestal
⇫
upwards white arrow on pedestal with horizontal bar
⇬
upwards white arrow on pedestal with vertical bar
⇭
upwards white double arrow
⇮
upwards white double arrow on pedestal
⇯
rightwards white arrow from wall
⇰
north west arrow to corner
⇱
south east arrow to corner
⇲
up down white arrow
⇳