首页 - 小乐数学

²	³	⁴	ᵐ	ⁿ
⁻	¹	₀	ˣ	ʸ
π	θ	λ	ζ	∇
α	β	γ	ξ	Δ
√	∫	′	∑	㏑
∛	∬	∂	∏	㏒
°	∠	△	≌	∼
∟	⊥	▱	◇	∦
∵	⇒	⋯	→	↑
∴	⇔	⋮	←	↓
↔	✓	∅	∀	ƒ
↕	✘	∞	∃	ℵ
×	⋅	≥	≠	≈
÷	±	≤	≡	≝
⊆	⋂	∝
⊂	⋃	∈
⋰
⋱
⁰	¹	²	³	⁴
₀	₁	₂	₃	₄
⁵	⁶	⁷	⁸	⁹
₅	₆	₇	₈	₉
⁺	⁻	⁼	⁽	⁾
₊	₋	₌	₍	₎
%	‰	‱
①	②	③	④	⑤
⑥	⑦	⑧	⑨	⑩
❶	❷	❸	❹	❺
❻	❼	❽	❾	❿
➀	➁	➂	➃	➄
➅	➆	➇	➈	➉
⒈	⒉	⒊	⒋	⒌
⒍	⒎	⒏	⒐	⒑
⒒	⒓	⒔	⒕	⒖
⒗	⒘	⒙	⒚	⒛
⑴	⑵	⑶	⑷	⑸
⑹	⑺	⑻	⑼	⑽
⑾	⑿	⒀	⒁	⒂
⒃	⒄	⒅	⒆	⒇
⓵	⓶	⓷	⓸	⓹
⓺	⓻	⓼	⓽	⓾
⑪	⑫	⑬	⑭	⑮
⑯	⑰	⑱	⑲	⑳
㉑	㉒	㉓	㉔	㉕
㉖	㉗	㉘	㉙	㉚
㉛	㉜	㉝	㉞	㉟
㊱	㊲	㊳	㊴	㊵
㊶	㊷	㊸	㊹	㊺
㊻	㊼	㊽	㊾	㊿
➊	➋	➌	➍	➎
➏	➐	➑	➒	➓
⓫	⓬	⓭	⓮	⓯
⓰	⓱	⓲	⓳	⓴
⅟	½	⅓	⅔
¼	¾	⅕	⅖
⅗	⅘	⅙	⅚
⅛	⅜	⅝	⅞
㋀	㋁	㋂	㋃	㋄
㋅	㋆	㋇	㋈	㋉
㋊	㋋
㏠	㏡	㏢	㏣	㏤
㏥	㏦	㏧	㏨	㏩
㏪	㏫	㏬	㏭	㏮
㏯	㏰	㏱	㏲	㏳
㏴	㏵	㏶	㏷	㏸
㏹	㏺	㏻	㏼	㏽
㏾
㍙	㍚	㍛	㍜	㍝
㍞	㍟	㍠	㍡	㍢
㍣	㍤	㍥	㍦	㍧
㍨	㍩	㍪	㍫	㍬
㍭	㍮	㍯	㍰	㍘
一	二	三	四	五
壹	贰	叁	肆	伍
六	七	八	九	十
陆	柒	捌	玖	拾
百	千	万	亿	兆
佰	仟	萬	亿	兆
〇
零
㊀	㊁	㊂	㊃	㊄
㊅	㊆	㊇	㊈	㊉
㈠	㈡	㈢	㈣	㈤
㈥	㈦	㈧	㈨	㈩
甲	乙	丙	丁	戊
己	庚	辛	壬	癸
子	丑	寅	卯
辰	巳	午	未
申	酉	戌	亥
㆙	㆚	㆛	㆜
㆒	㆓	㆔	㆕
㆖	㆗	㆘
㆝	㆞	㆟
α	β	γ	δ	ε
ζ	η	θ	ι	κ
λ	μ	ν	ξ	ο
π	ρ	ς	σ	τ
υ	φ	χ	ψ	ω
Α	Β	Γ	Δ	Ε
Ζ	Η	Θ	Ι	Κ
Λ	Μ	Ν	Ξ	Ο
Π	Ρ	΢	Σ	Τ
Υ	Φ	Χ	Ψ	Ω
ℵ	ℶ	ℷ	ℸ	℘
∞	∝	∅	⍉	⌀
°	℃	℉	ð	₴
∂	∇	¬	∀	∃
ƒ	ℎ	æ	œ	Ｃ
Ⅎ	ℏ	Æ	Œ	Ϲ
₵	a	ç	þ	Þ
∁	ā	Ç	Ð	ß
ⅰ	ⅱ	ⅲ	ⅳ	ⅴ
ⅵ	ⅶ	ⅷ	ⅸ	ⅹ
ⅺ	ⅻ
ⅼ	ⅽ	ⅾ	ⅿ
Ⅰ	Ⅱ	Ⅲ	Ⅳ	Ⅴ
Ⅵ	Ⅶ	Ⅷ	Ⅸ	Ⅹ
Ⅺ	Ⅻ
Ⅼ	Ⅽ	Ⅾ	Ⅿ
ℂ	ℍ	ℙ	ℚ
ℕ	ℝ	ℤ	ℨ
ℭ	ℌ	ℑ	ℜ
ℬ	ℰ	ℱ	ℋ
ℐ	ℒ	ℳ	ℛ
ℯ	ℊ	ℴ	ℓ
⍶	⍺	ϐ	ϒ	ϕ
ϵ	⍷	ℇ	ϑ	ϴ
⍳	⍸	⍴	ϱ
⍵	⍹	ϖ	∂	∇
ᴬ	ᴮ	ᒼ	ᴰ	ᴱ
ᴳ	ᴴ	ᴵ	ᴶ
ᴷ	ᴸ	ᴹ	ᴺ	ᴼ
ᴾ	ᴿ
ᵁ	៴	ᵂ
ᙆ
ᵃ	ᵇ	ᶜ	ᵈ	ᵉ
ᶠ	ᵍ	ʰ	ⁱ	ʲ
ᵏ	ˡ	ᵐ	ⁿ	ᵒ
ᵖ	ʳ	ˢ	ᵗ
ᵘ	ᵛ	ʷ	ˣ	ʸ
z
ₐ	ₑ	ₒ	ᵣ
ᵤ	ᵥ	ₓ
ᵪ	ᵧ	ᵦ	ᵨ	ᵩ
␆	␇	␈	␘	␍
␡	␐	␙	␅	␄
␛	␗	␃	␌	␜
␝	␉	␊	␕	␤
␞	␏	␎	␁	␠
␂	␚	␖	␟	␋
ａ	ｂ	ｃ	ｄ	ｅ
ｆ	ｇ	ｈ	ｉ	ｊ
ｋ	ｌ	ｍ	ｎ	ｏ
ｐ	ｑ	ｒ	ｓ	ｔ
ｕ	ｖ	ｗ	ｘ	ｙ
ｚ
Ａ	Ｂ	Ｃ	Ｄ	Ｅ
Ｆ	Ｇ	Ｈ	Ｉ	Ｊ
Ｋ	Ｌ	Ｍ	Ｎ	Ｏ
Ｐ	Ｑ	Ｒ	Ｓ	Ｔ
Ｕ	Ｖ	Ｗ	Ｘ	Ｙ
Ｚ
⒜	⒝	⒞	⒟	⒠
⒡	⒢	⒣	⒤	⒥
⒦	⒧	⒨	⒩	⒪
⒫	⒬	⒭	⒮	⒯
⒰	⒱	⒲	⒳	⒴
⒵
ⓐ	ⓑ	ⓒ	ⓓ	ⓔ
ⓕ	ⓖ	ⓗ	ⓘ	ⓙ
ⓚ	ⓛ	ⓜ	ⓝ	ⓞ
ⓟ	ⓠ	ⓡ	ⓢ	ⓣ
ⓤ	ⓥ	ⓦ	ⓧ	ⓨ
ⓩ
Ⓐ	Ⓑ	Ⓒ	Ⓓ	Ⓔ
Ⓕ	Ⓖ	Ⓗ	Ⓘ	Ⓙ
Ⓚ	Ⓛ	Ⓜ	Ⓝ	Ⓞ
Ⓟ	Ⓠ	Ⓡ	Ⓢ	Ⓣ
Ⓤ	Ⓥ	Ⓦ	Ⓧ	Ⓨ
Ⓩ
𝐀	𝐁	𝐂	𝐃	𝐄
𝐅	𝐆	𝐇	𝐈	𝐉
𝐊	𝐋	𝐌	𝐍	𝐎
𝐏	𝐐	𝐑	𝐒	𝐓
𝐔	𝐕	𝐖	𝐗	𝐘
𝐙
𝐴	𝐵	𝐶	𝐷	𝐸
𝐹	𝐺	𝐻	𝐼	𝐽
𝐾	𝐿	𝑀	𝑁	𝑂
𝑃	𝑄	𝑅	𝑆	𝑇
𝑈	𝑉	𝑊	𝑋	𝑌
𝑍
𝑨	𝑩	𝑪	𝑫	𝑬
𝑭	𝑮	𝑯	𝑰	𝑱
𝑲	𝑳	𝑴	𝑵	𝑶
𝑷	𝑸	𝑹	𝑺	𝑻
𝑼	𝑽	𝑾	𝑿	𝒀
𝒁
𝒜	ℬ	𝒞	𝒟	ℰ
ℱ	𝒢	ℋ	ℐ	𝒥
𝒦	ℒ	ℳ	𝒩	𝒪
𝒫	𝒬	ℛ	𝒮	𝒯
𝒰	𝒱	𝒲	𝒳	𝒴
𝒵
𝓐	𝓑	𝓒	𝓓	𝓔
𝓕	𝓖	𝓗	𝓘	𝓙
𝓚	𝓛	𝓜	𝓝	𝓞
𝓟	𝓠	𝓡	𝓢	𝓣
𝓤	𝓥	𝓦	𝓧	𝓨
𝓩
𝔄	𝔅	ℭ	𝔇	𝔈
𝔉	𝔊	ℌ	ℑ	𝔍
𝔎	𝔏	𝔐	𝔑	𝔒
𝔓	𝔔	ℜ	𝔖	𝔗
𝔘	𝔙	𝔚	𝔛	𝔜
ℨ
𝕬	𝕭	𝕮	𝕯	𝕰
𝕱	𝕲	𝕳	𝕴	𝕵
𝕶	𝕷	𝕸	𝕹	𝕺
𝕻	𝕼	𝕽	𝕾	𝕿
𝖀	𝖁	𝖂	𝖃	𝖄
𝖅
𝔸	𝔹	ℂ	𝔻	𝔼
𝔽	𝔾	ℍ	𝕀	𝕁
𝕂	𝕃	𝕄	ℕ	𝕆
ℙ	ℚ	ℝ	𝕊	𝕋
𝕌	𝕍	𝕎	𝕏	𝕐
ℤ
𝙰	𝙱	𝙲	𝙳	𝙴
𝙵	𝙶	𝙷	𝙸	𝙹
𝙺	𝙻	𝙼	𝙽	𝙾
𝙿	𝚀	𝚁	𝚂	𝚃
𝚄	𝚅	𝚆	𝚇	𝚈
𝚉
𝐚	𝐛	𝐜	𝐝	𝐞
𝐟	𝐠	𝐡	𝐢	𝐣
𝐤	𝐥	𝐦	𝐧	𝐨
𝐩	𝐪	𝐫	𝐬	𝐭
𝐮	𝐯	𝐰	𝐱	𝐲
𝐳
𝑎	𝑏	𝑐	𝑑	𝑒
𝑓	𝑔	ℎ	𝑖	𝑗
𝑘	𝑙	𝑚	𝑛	𝑜
𝑝	𝑞	𝑟	𝑠	𝑡
𝑢	𝑣	𝑤	𝑥	𝑦
𝑧
𝒂	𝒃	𝒄	𝒅	𝒆
𝒇	𝒈	𝒉	𝒊	𝒋
𝒌	𝒍	𝒎	𝒏	𝒐
𝒑	𝒒	𝒓	𝒔	𝒕
𝒖	𝒗	𝒘	𝒙	𝒚
𝒛
𝒶	𝒷	𝒸	𝒹	ℯ
𝒻	ℊ	𝒽	𝒾	𝒿
𝓀	𝓁	𝓂	𝓃	ℴ
𝓅	𝓆	𝓇	𝓈	𝓉
𝓊	𝓋	𝓌	𝓍	𝓎
𝓏
𝓪	𝓫	𝓬	𝓭	𝓮
𝓯	𝓰	𝓱	𝓲	𝓳
𝓴	𝓵	𝓶	𝓷	𝓸
𝓹	𝓺	𝓻	𝓼	𝓽
𝓾	𝓿	𝔀	𝔁	𝔂
𝔃
𝔞	𝔟	𝔠	𝔡	𝔢
𝔣	𝔤	𝔥	𝔦	𝔧
𝔨	𝔩	𝔪	𝔫	𝔬
𝔭	𝔮	𝔯	𝔰	𝔱
𝔲	𝔳	𝔴	𝔵	𝔶
𝔷
𝖆	𝖇	𝖈	𝖉	𝖊
𝖋	𝖌	𝖍	𝖎	𝖏
𝖐	𝖑	𝖒	𝖓	𝖔
𝖕	𝖖	𝖗	𝖘	𝖙
𝖚	𝖛	𝖜	𝖝	𝖞
𝖟
𝕒	𝕓	𝕔	𝕕	𝕖
𝕗	𝕘	𝕙	𝕚	𝕛
𝕜	𝕝	𝕞	𝕟	𝕠
𝕡	𝕢	𝕣	𝕤	𝕥
𝕦	𝕧	𝕨	𝕩	𝕪
𝕫
𝚊	𝚋	𝚌	𝚍	𝚎
𝚏	𝚐	𝚑	𝚒	𝚓
𝚔	𝚕	𝚖	𝚗	𝚘
𝚙	𝚚	𝚛	𝚜	𝚝
𝚞	𝚟	𝚠	𝚡	𝚢
𝚣
ā	á	ǎ	à	a
ō	ó	ǒ	ò	o
ē	é	ě	è	e
ī	í	ǐ	ì	i
ū	ú	ǔ	ù	u
ǖ	ǘ	ǚ	ǜ	ü
æ	e	ɛ	//	[]
i	ɪ	ə	ɚ	ɔ
ɒ	ɑ	u	ʊ	ʌ
iː	i	əː	ɜː	ɝ
ɔː	ɔ	uː	u	ɑː
ei	eɪ	e	ai	aɪ
ɔi	ɔɪ	au	aʊ	əu
əʊ	oʊ	o	iə	ɪə
ɪr	ɛə	eə	ɛr	uə
ʊə	ʊr	ˈ	ˌ	//
p	t	k	f	s
b	d	ɡ	v	z
θ	ʃ	tʃ	n	m
ð	ʒ	dʒ	ŋ	w
h	j	l	ℓ	r
Á	Ć	É	G	Í
á	ć	é	ǵ	í
Ĺ	Ń	Ó	Ŕ	Ś
ĺ	ń	ó	ŕ	ś
Ú	Ý	Ź
ú	ý	ź
Č	Ď	Ě	Ľ	Ň
č	ď	ě	ľ	ň
Ř	Š	Ť	Ž
ř	š	ť	ž
À	È	Ì	Ò	Ù
à	è	ì	ò	ù
Ċ	Ė	Ġ	İ	Ż
ċ	ė	ġ	i	ż
Ä	Ë	Ï	Ö	Ü
ä	ë	ï	ö	ü
Ÿ
ÿ
Å	Ů
å	ů
Â	Ĉ	Ê	Ĝ	Ĥ
â	ĉ	ê	ĝ	ĥ
Î	Ĵ	Ô	Ŝ	Û
î	ĵ	ô	ŝ	û
Ŵ	Ŷ
ŵ	ŷ
Ã	Ĩ	Ñ	Õ	Ũ
ã	ĩ	ñ	õ	ũ
Ă	Ğ	Ŭ
ă	ğ	ŭ
₠	₡	₢	₣	₤
₪	₫	€	₭	₮
₥	₦	₧	₨	₩
₯	₰	₱	₲	₳
㎀	㎁	㎂	㎃	㎄
㎊	㎋	㎌	㎍	㎎
㎅	㎆	㎇	㎈	㎉
㎏	㎐	㎑	㎒	㎓
㎔	㎕	㎖	㎗	㎘
㎞	㎟	㎠	㎡	㎢
㎙	㎚	㎛	㎜	㎝
㎣	㎤	㎥	㎦	㎧
㎨	㎩	㎪	㎫	㎬
㎲	㎳	㎴	㎵	㎶
㎭	㎮	㎯	㎰	㎱
㎷	㎸	㎹	㎺	㎻
㎼	㎽	㎾	㎿	㏀
㏆	㏇	㏈	㏉	㏊
㏁	㏂	㏃	㏄	㏅
㏋	㏌	㏍	㏎	㏏
㏐	㏑	㏒	㏓	㏔
㏚	㏛	㏜	㏝	㍱
㏕	㏖	㏗	㏘	㏙
㍲	㍳	㍴	㍵	㍶
∑	∏	∐	⋀	⋂
∫	∬	∭	⋁	⋃
∮	∯	∰	⨁	⨂
∱	∲	∳	⨀	⨌
′	″	‴	!	†
‵	‶	‷	‼	‡
¬	∀	∃	∄
∂	∇	✓	※
√	∛	∜	⨳
+	×	±	⊕
-	÷	∓	⊗	∖
∧	∨	∩	∪
()	[]	{}	<>	〈〉
(,)	[,]	{,}	<,>	⟨⟩
⁽⁾	┌┐	⌈⌉	⎰⎱	⟦⟧
₍₎	└┘	⌊⌋	(,]	[,)
║║	\|\|	⌈⌋
+	∓	⍅	⍏	⌿
⊹	±	⍆	⍖	⍀
⌗	†	⌶
⋕	#	‡
‐	‑	‒	−	⁃
–	—	―	－
¦	∣	∤
‾	∓	∔	∸	∺
_	±	‗	⍘	⍙
∻	÷	∹	⍎
⍚	⍛	⍜	⍕
×	⨉	∕	╱
╳	⋇	∖	╲
⊕	⨁	⨂	⊖	⊗
⊘	⌽	⊜	⊝	⍟
⦿	⊙	⨀	⊚	⌾
⧀	⧁	⊛	⌻	⌼
∧	⋀	⌃	⌅	⊼
∨	⋁	⌄	‸	⊻
⌆	⩞	⋋	⋏	⨇
⊽	⋌	⋎	⨈
∩	⋂	⋓	⋔
∪	⋃	⋒	⊌
⨃	⨄	⨅	⊓
⊍	⊎	⨆	⊔
∡	∠	⦛	⦣	⦤
∢	⊿	⊾	⦢	⦥
⦠	⦟	⦞
⦡	∟	⦜	⦝
⊞	⊠	⍁	⌸	⊡
⊟	⌹	⍂	⍯	⍠
⍃	⍄	⌺	⍐	⍍
⍇	⍈	⍞	⍗	⍔
⍓	⍌	⍰	□	■
≖	⋄
◯
⋅	∙	•	‧	․
⋆	∗	⁂	⁑
∘	°
:	‥	∷	∟	∠
∶	¨	⁞	⦜	△
⋯	⋰	∵	∦	⊥
⋮	⋱	∴	▱	◇
＝	≡	≣	≗	≘
≠	≢	≐	≑	≓
≙	≚	≛	≜	≝
≒	≔	≕	≟	≞
∼	≈	≋	≀	⌇
≁	≉	⍭	∾	∿
≌	⋍	≃	≅	≊
∽	≂	≄	≇	≆
<	>	≤	≥
≮	≯	≰	≱
⋖	⋗	≦	≧
⋜	⋝	≨	≩
⊂	⊃	⊆	⊇
⊄	⊅	⊈	⊉
⊊	⊋
⋐	⋑
∈	∋	∊	∍	⋳
∉	∌	⋲	⋺	⋴
⋻	⋶	⋽	⋸	∁
⋼	⋷	⋾	⋹	⋵
≺	≻	≼	≽
⊀	⊁	⋞	⋟
⊰	⊱	≾	≿
⋠	⋡	⋨	⋩
≲	≳	≶	≷
≴	≵	≸	≹
⋚	⋛	≪	≫
⋦	⋧	⋘	⋙
⊲	⊳	⊴	⊵
⋪	⋫	⋬	⋭
⋉	⋊	⋈
⊏	⊐	⋤	⋥	⋿
⊑	⊒	⋢	⋣	¬
⌌	⌍	⌜	⌝	⌐
⌎	⌏	⌞	⌟	⌙
‖	∥	⊩	⊫	⧻
∦	⧺	⊮	⊯	⊪
⊺	⊧	⊤
⊢	⊣	⊥
⊦	⊨	⍑
⊬	⊭	⍊
⍤	⍥	⍡	⍢
⍣	⍨	⍩
←	→	↖	↗
↚	↛	↙	↘
⟵	⟶	↑	↓
↤	↦	↥
⟻	⟼	↧
⤒	⇤	⤟	⤠
⤓	⇥	⤝	⤞
⇷	⇸	⤉	⇞
⇺	⇻	⤈	⇟
↔	⇹	↕	⤡	⟷
↮	⇼	↨	⤢	⥈
↼	⇀	↿	↾
↽	⇁	⇃	⇂
⥊	⥏	⥑	⥎
⥋	⥌	⥍	⥐
⥚	⥛	⥠	⥜
⥞	⥟	⥡	⥝
⥒	⥓	⥘	⥔
⥖	⥗	⥙	⥕
⥢	⥤	⥣	⥮
⇋	⇌	⥥	⥯
⥦	⥨	⥪	⥬
⥩	⥧	⥫	⥭
⇐	⇒	⇑	⇖	⇗
⇍	⇏	⇓	⇙	⇘
⇔	⟺	⟸	⟹
⇎	⤄	⤂	⤃
⇇	⇉	⇈
⬱	⇶	⇊
⇆	⇅	⥃	⥂
⇄	⇵	⥄
⥶	⥸
⥹	⥻
⤪	⤨	⤧
⤫	⤬	⤩
⤮	⤯	⤲
⤭	⤰	⤱
⤆	⤇	⇚
⟽	⟾	⇛
⤊	⟰
⤋	⟱
↞	↠	↟	⥉
⤛	⤜	↡
⬴	⤀	⬻	⤖
⬵	⤁	⬷	⤐
⬼	⤗	⬶	⤅
⬽	⤘
↩	↪	⤣	⤤
↫	↬	⤦	⤥
↜	↝	↭	⬳	⟿
⇜	⇝	⬿	⤳
⤿	⤾	⤺
⤷	⤶	⤻
↶	⤽	⤼
↷	⤸	⤹
⇠	⇢	⇡	⤌	⤍
⤎	⤏	⇣	⬸	⤑
⤙	⤚	⬹	⤔
↢	↣	⬺	⤕
⥳	⥴	⭋	⭌
⭉	⥲	⭁	⭇
⭊	⥵	⥆	⥅
⭂	⭈	⭀	⥱
⬰	⇴	⬾	⥇	⥷
⬲	⟴	⥺	⭄	⭃
↰	↱	⤴	↴	⇱
↲	↳	⤵	↵	⇲
⇦	⇨	⇕	⇧	⇳
⇽	⇾	⇿	⇩
￩	￫	￪
‹	›	￬
➚	➶	➹
➘	➴	➷
↹	⥰
↸	☈	↯	⏎	☇
➾	➟	➠	➢	➣
➙	➝	➞	➡	➔
➤	➨	➧	➥	➩
➜	➲	⇰	➦	➪
➬	➮	➱	➳	➵
➫	➭	➯	➛	➸
➺	➼
➻	➽
⇪	⇫	⇬	⇭	⇮
⇯
↻	↺	⥀
⟲	⟳	⥁
■	□	▢	▣	▤
▪	▫	▬	▭	▮
▥	▦	▧	▨	▩
▯	▰	▱	▲	△
▴	▵	▶	▷	▸
▾	▿	◀	◁	◂
▹	►	▻	▼	▽
◃	◄	◅	◆	◇
◈	◉	◊	○	◌
◒	◓	◔	◕	◖
◍	◎	●	◐	◑
◗	◘	◙	◚	◛
◜	◝	◞	◟	◠
◦	◧	◨	◩	◪
◡	◢	◣	◤	◥
◫	◬	◭	◮	◯
◰	◱	◲	◳	◴
◺	◻	◼	◽	◾
◵	◶	◷	◸	◹
◿	☀	☁	☂	☃
☄	★	☆	☇	☈
☎	☏	☐	☑	☒
☉	☊	☋	☌	☍
☓	☔	☕	☖	☗
☘	☙	☚	☛	☜
☢	☣	☤	☥	☦
☝	☞	☟	☠	☡
☧	☨	☩	☪	☫
☬	☭	☮	☯	☰
☶	☷	☸	☹	☺
☱	☲	☳	☴	☵
☻	☼	☽	☾	☿
♀	♁	♂	♃	♄
♊	♋	♌	♍	♎
♅	♆	♇	♈	♉
♏	♐	♑	♒	♓
♔	♕	♖	♗	♘
♞	♟	♠	♡	♢
♙	♚	♛	♜	♝
♣	♤	♥	♦	♧
♨	♩	♪	♫	♬
♲	♳	♴	♵	♶
♭	♮	♯	♰	♱
♷	♸	♹	♺	♻
♼	♽	♾	♿	⚀
⚆	⚇	⚈	⚉	⚊
⚁	⚂	⚃	⚄	⚅
⚋	⚌	⚍	⚎	⚏
⚐	⚑	⚒	⚓	⚔
⚚	⚛	⚜	⚝	⚞
⚕	⚖	⚗	⚘	⚙
⚟	⚠	⚡	⚢	⚣
⚤	⚥	⚦	⚧	⚨
⚮	⚯	⚰	⚱	⚲
⚩	⚪	⚫	⚬	⚭
⚳	⚴	⚵	⚶	⚷
⚸	⚹	⚺	⚻	⚼
⛂	⛃	⛄	⛅	⛆
⚽	⚾	⚿	⛀	⛁
⛇	⛈	⛉	⛊	⛋
⛌	⛍	⛎	⛏	⛐
⛖	⛗	⛘	⛙	⛚
⛑	⛒	⛓	⛔	⛕
⛛	⛜	⛝	⛞	⛟
⛠	⛡	⛢	⛣	⛤
⛪	⛫	⛬	⛭	⛮
⛥	⛦	⛧	⛨	⛩
⛯	⛰	⛱	⛲	⛳
⛴	⛵	⛶	⛷	⛸
⛾	⛿	✀	✁	✂
⛹	⛺	⛻	⛼	⛽
✃	✄	✅	✆	✇
✈	✉	✊	✋	✌
✒	✓	✔	✕	✖
✍	✎	✏	✐	✑
✗	✘	✙	✚	✛
⌂	⌃	⌄	⌅	⌆
⌌	⌍	⌎	⌏	⌐
⌇	⌈	⌉	⌊	⌋
⌑	⌒	⌓	⌔	⌕
⌖	⌗	⌘	⌙	⌚
⌠	⌡	⌢	⌣	⌤
⌛	⌜	⌝	⌞	⌟
⌥	⌦	⌧	⌨	〈
〉	⌫	⌬	⌭	⌮
⌴	⌵	⌶	⌷	⌸
⌯	⌰	⌱	⌲	⌳
⌹	⌺	⌻	⌼	⌽
卍	卐	⌘

\frac{1}{2}

\frac{\displaystyle{}3}{\displaystyle{}4}

\frac{\displaystyle{}1}{\displaystyle{}2}+\frac{\displaystyle{}3}{\displaystyle{}4}+\frac{\displaystyle{}5}{\displaystyle{}6}

\frac{{88}}{{19}} + \frac{{27}}{{73}}

\frac{\displaystyle{}1}{\displaystyle{}2}

\frac{1}{2}

\tfrac{1}{2}

\frac{1}{1+\frac{1}{2}}

\tfrac{1}{1+\frac{1}{2}}

\dfrac{1}{2}

\cfrac{1}{1 + \cfrac{1}{2}}

\frac{\displaystyle{}1}{\displaystyle{}2+\frac{\displaystyle{}3}{\displaystyle{}4+\frac{\displaystyle{}5}{\displaystyle{}6+⋱}}}

=

x=

x= y= 2

x = y = 0

\begin{aligned} & x\\ & = 1\\ & = 2 \end{aligned}

\begin{aligned} x & = 1\\ & = 2 \end{aligned}

\begin{aligned} & ~ \quad x\\ & = 1\\ & = 2 \end{aligned}

\begin{aligned}x & =1 \\ & =2 \end{aligned}

\begin{aligned} & ~ \quad x \\ & =1 \\ & =2 \end{aligned}

a≡b\pmod 2

x ≡ y ≡ 0 \pmod {5}

\begin{aligned}x & ≡1 \\ & ≡2 \end{aligned}

\begin{aligned} & ~ \quad x \\ & ≡1 \\ & ≡2 \end{aligned}

1\xlongequal{}[\mod 2]{}-1

≤

x≤

x= y≤ 2

≥

x= y≠ 2

≠

a\not \mathrlap{} \negthickspace \negthickspace ≡b\pmod 2

{x}_1^2

{x}^2

{x}^3

{x}^{-1}

{x}_1

{e}^{πi}

{r}e^{iθ}

{e}^{\frac{iπ}2}

C_{n}^{m}

\stackrel{1}{2}

\overset{1}{2}

\underset{2}{1}

1 \atop2

1 \above{}2

1 \above{1pt}2

1 \above{2pt}2

\sqrt{2}

\sqrt[3]{3}

\sqrt[4]{4}

\sqrt{{ab}}

\sqrt{x-\sqrt[3]{y}}

\sqrt{x}

\sqrt[3]{x}

\sqrt[4]{x}

\frac{\displaystyle{}\sqrt{2}}{\displaystyle{}2}

\frac{\displaystyle{}\sqrt{5}-1}{\displaystyle{}2}

\frac{\displaystyle{}-b±\sqrt{b^2-4ac}}{\displaystyle{}2a}

\sqrt{1+\sqrt[3]{10+\sqrt[4]{100+\sqrt[5]{1000+⋯}}}}

\tfrac{\mathrm{d} f}{\mathrm{d} x}

\tfrac{\mathrm{d} f}{\mathrm{d} x}

\tfrac{∂ f}{∂ x}

\tfrac{\mathrm{d} }{\mathrm{d} x}

\tfrac{∂ }{∂ x}

\hskip{0.1em}\text{d}x

\mathrm{d}y

∂x

\hskip{0.1em}\text{d}x∧\hskip{0.1em}\text{d}y

\nabla

\tfrac{\mathrm{d} ^{2}f}{\mathrm{d} x^{2}}

\tfrac{∂ ^{2}f}{∂ x^{2}}

\tfrac{\mathrm{d} ^{2}f}{\mathrm{d} x\mathrm{d} y}

\tfrac{∂ ^{2}f}{∂ x∂ y}

\tfrac{∂ (x,y)}{∂ (u,v)}

\left| \tfrac{∂ (x,y)}{∂ (u,v)}\right|

\tfrac{∂ ^{3}f}{∂ x∂ y∂ z}

\Sigma

\Pi

\sum

\prod

∑

Σ

\displaystyle{\sum\limits_{i=0}^{∞}f}

\displaystyle{\bigcup\limits_{i=0}^{∞}f}

\displaystyle{\bigvee\limits_{i=0}^{∞}f}

\displaystyle{\bigoplus\limits_{i=0}^{∞}f}

\displaystyle{\sum\limits_{i+j=10}f}

\displaystyle{\prod\limits_{i=0}^{∞}f}

\displaystyle{\bigcap\limits_{i=0}^{∞}f}

\displaystyle{\bigwedge\limits_{i=0}^{∞}f}

\displaystyle{\bigotimes\limits_{i=0}^{∞}f}

\displaystyle{\prod\limits_{i|24}f}

\displaystyle{\coprod\limits_{i=0}^{∞}f}

\displaystyle{\bigodot\limits_{i=0}^{∞}f}

\displaystyle{\sum\limits_{\substack{i+j=10\\ i<j}}f}

\displaystyle{\mathop{+}\limits_{i=0}^{∞}f}

\displaystyle{\sup\limits_{i=0}^{∞}f}

\displaystyle{\max\limits_{i=0}^{∞}f}

\displaystyle{\mathop{×}\limits_{i=0}^{∞}f}

\displaystyle{\inf\limits_{i=0}^{∞}f}

\displaystyle{\min\limits_{i=0}^{∞}f}

\mathop{*}\limits_{-∞}^{∞}f

\lim

\lim\limits_{x \to +∞}f

\lim\limits_{x \to -∞}f

\infty

\lim\limits_{x \to 0}f

\lim\limits_{x \to 0^+}f

\underset{x \to 0}{\overline{\lim}}\,f

\underset{x \to 0}{\underline{\lim}}\,f

e^x=\lim\limits_{n \to ∞}\left( 1+\frac{\displaystyle{}x}{\displaystyle{}n}\right) ^{n}

\lim\limits_{\substack{x→0\\y→0}}f(x,y)

\int

\smallint

\textstyle\int

\int \limits_{L}

\displaystyle{\int\limits_{L}\,\mathrm{d}{s}}

F(x)\LARGE|\normalsize\substack{1\\\\ 0}

\displaystyle{\int\nolimits_{-1}^{1}f\,\mathrm{d}{x}}

\displaystyle{\int\nolimits_{-∞}^{+∞}f\,\mathrm{d}{x}}

\displaystyle{\int\nolimits_{0}^{x}f(t)\,\mathrm{d}{t}}

\LARGE|\normalsize\substack{2π\\\\ 0}

\displaystyle{\int\limits_{L}P\mathrm{d}{x}+Q\mathrm{d}{y}}

\displaystyle{\int\limits_{∂M}ω\,}=\displaystyle{\int\limits_{M}\,\mathrm{d}{ω}}

\displaystyle{\int\nolimits_{0}^{2π}\,\mathrm{d}{θ}}\displaystyle{\int\nolimits_{0}^{1}f\,\mathrm{d}{ρ}}

\displaystyle{\oint\limits_{L}P\mathrm{d}{x}+Q\mathrm{d}{y}}=\displaystyle{\iint\limits_{D}\left( \tfrac{∂ Q}{∂ x}- \tfrac{∂ P}{∂ y}\right) \,\mathrm{d}{x}\mathrm{d}{y}}

\displaystyle{\int\nolimits_{0}^{1}\,\mathrm{d}{x}}\displaystyle{\int\nolimits_{0}^{1}f\,\mathrm{d}{y}}

\displaystyle{\iint\limits_{Σ}f\,\mathrm{d}σ}

\displaystyle{\iint\limits_{Σ}f\,\mathrm{d}{x}\mathrm{d}{y}}

\displaystyle{\iint\limits_{Σ}f\,\mathrm{d}{φ}\mathrm{d}{θ}}

\displaystyle{\iint\limits_{\substack{x^2+y^2=1\\ x≥0}}f\,\mathrm{d}{x}\mathrm{d}{y}}

\displaystyle{\oiint\limits_{Σ}P\mathrm{d}{x\mathrm{d}y}+Q\mathrm{d}{y\mathrm{d}z}+R\mathrm{d}{z\mathrm{d}x}}

\displaystyle{\iint\limits_{Σ}f\,\mathrm{d}{x}∧\mathrm{d}{ y}}

\displaystyle{\iiint\limits_{Ω}f\,\mathrm{d}V}

\displaystyle{\iiint\limits_{Ω}f\,\mathrm{d}{x}\mathrm{d}{y}\mathrm{d}{z}}

\displaystyle{\int\dotsi\int\nolimits_{-∞}^{+∞}f\,\mathrm{d}{x}}

\displaystyle{\oiiint\limits_{Ω}P\mathrm{d}{x\mathrm{d}y\mathrm{d}z}+Q\mathrm{d}{y\mathrm{d}z\mathrm{d}t}}

\displaystyle{\int\nolimits_{0}^{2π}\displaystyle{\int\nolimits_{0}^{π}\displaystyle{\int\nolimits_{0}^{R}f\,\mathrm{d}{r}}\,\mathrm{d}{φ}}\,\mathrm{d}{θ}}

\displaystyle{\int\nolimits_{0}^{1}\,\mathrm{d}{x}}\displaystyle{\int\nolimits_{0}^{x}\,\mathrm{d}{y}}\displaystyle{\int\nolimits_{0}^{z(x,y)}f(x,y,z)\,\mathrm{d}{z}}

\displaystyle{\int\nolimits_{0}^{2π}\,\mathrm{d}{θ}}\displaystyle{\int\nolimits_{0}^{θ}f\,\mathrm{d}{ρ}}

\displaystyle{\int\nolimits_{0}^{2π}\,\mathrm{d}{θ}}\displaystyle{\int\nolimits_{0}^{π}\,\mathrm{d}{φ}}\displaystyle{\int\nolimits_{0}^{R}f(r,φ,θ)\,\mathrm{d}{r}}

\displaystyle{\int\nolimits_{0}^{2π}\,\mathrm{d}{θ}}f(ρ,θ)\LARGE|\normalsize\substack{ρ=a\\\\ ρ=0}

\begin{smallmatrix}1 & 2 \\ 3 & 4 \end{smallmatrix}

\begin{matrix}1 & 2 \\ 3 & 4 \end{matrix}

\left. \begin{array}{c:cc} & 0 & 1 \\ \hdashline 0 & 0 & 1 \\ 1 & 1 & 0 \end{array} \right.

\left. \begin{array}{c:c}1 & 2 \\ \hdashline 3 & 4 \end{array} \right.

\left. \begin{array}{cc:cc}1 & 2 & 3 & 4 \\ 5 & 6 & 7 & 8 \end{array} \right.

\begin{aligned} & 1\\ & 2\\ & 3 \end{aligned}

\begin{aligned} 1 & 2\\ & 3 \end{aligned}

\\

\\ ~ \\ ~

\sum_{\substack{0<i<m\\0<j<n}}

p\phantom{A}

hp\hphantom{0}

vp\vphantom{A}

tag{1}{A}

tag*{2}{B}

\def\zzllrr#1#2{{#1}+{#2}}\zzllrr{\pi}{4}

\newcommand\test[2]{\color{#1}{\heartsuit}\color{#2}{\heartsuit}} \test{red}{blue}

\small \begin{bmatrix}1 & 2 \\ 3 & 4 \end{bmatrix}

\small \left[ \begin{array}{cc}1 & 2 \\ 3 & 4 \end{array} \right]

\small \left[ \begin{array}{cc}1 & 2 \\ 3 & 4 \end{array} \right]

\small \left[ \begin{array}{c:c}1 & 2 \\ \hdashline 3 & 4 \end{array} \right]

\small \left[ \begin{array}{cc:cc}1 & 2 & 3 & 4 \\ 5 & 6 & 7 & 8 \end{array} \right]

\small \begin{aligned} & ~ \quad \begin{bmatrix}1 & 2 \\ 3 & 4 \end{bmatrix} \\ & \xrightarrow{}[2]{1}\begin{bmatrix}5 & 6 \\ 7 & 8 \end{bmatrix} \end{aligned}

\small \begin{aligned} & ~ \quad \left[ \begin{array}{cc:cc}1 & 2 & 3 & 4 \\ 5 & 6 & 7 & 8 \end{array} \right] \\ & \xrightarrow{}[2]{1}\left[ \begin{array}{cc:cc}1 & 2 & 3 & 4 \\ 5 & 6 & 7 & 8 \end{array} \right] \end{aligned}

\small \begin{bmatrix}a_{11} & a_{12} & a_{13} \\ a_{21} & a_{22} & a_{23} \\ a_{31} & a_{32} & a_{33} \end{bmatrix}

\small \begin{bmatrix}a_{11} & a_{12} & a_{13} & ⋯ & a_{1n} \\ a_{21} & a_{22} & a_{23} & ⋯ & a_{2n} \\ a_{31} & a_{32} & a_{33} & ⋯ & a_{3n} \\ ⋮ & ⋮ & ⋮ & ⋱ & ⋮ \\ a_{n1} & a_{n2} & a_{n3} & ⋯ & a_{nn} \end{bmatrix}

\small \begin{vmatrix}1 & 2 \\ 3 & 4\end{vmatrix}

\small \begin{vmatrix}1 & 2 \\ 3 & 4\end{vmatrix}

\small \begin{Vmatrix}1 & 2 \\ 3 & 4 \end{Vmatrix}

\small \begin{aligned} & ~ \quad \begin{vmatrix}1 & 2 \\ 2 & 4\end{vmatrix} \\ & \xlongequal{}[2nd]{1st}0 \end{aligned}

\small \begin{aligned} & ~ \quad \begin{vmatrix}1 & 2 \\ 3 & 4\end{vmatrix} \\ & \xlongequal{}[2nd]{1st}\begin{vmatrix}5 & 6 \\ 7 & 8\end{vmatrix} \end{aligned}

\small \begin{vmatrix}a & b & & & \\ c & a & b & & \\ & ⋱ & ⋱ & ⋱ & \\ & & c & a & b \\ & & & c & a\end{vmatrix}

\small \begin{vmatrix}a & & & & & b \\ & ⋱ & & & \kern3mu \raisebox2mu{.}\kern1mu\raisebox7mu{.}\kern1mu\raisebox13mu{.}\kern4mu & \\ & & a & b & & \\ & & c & d & & \\ & \kern3mu \raisebox2mu{.}\kern1mu\raisebox7mu{.}\kern1mu\raisebox13mu{.}\kern4mu & & & ⋱ & \\ c & & & & & d\end{vmatrix}

\small \begin{vmatrix}a_{11} & a_{12} & a_{13} & ⋯ & a_{1n} \\ a_{21} & a_{22} & a_{23} & ⋯ & a_{2n} \\ a_{31} & a_{32} & a_{33} & ⋯ & a_{3n} \\ ⋮ & ⋮ & ⋮ & ⋱ & ⋮ \\ a_{n1} & a_{n2} & a_{n3} & ⋯ & a_{nn}\end{vmatrix}

\small \def\arraystretch{2}\begin{vmatrix}1 & 1 & 1 & ⋯ & 1 \\ a_1 & a_2 & a_3 & ⋯ & a_n \\ a_1^2 & a_2^2 & a_3^2 & ⋯ & a_n^2 \\ ⋮ & ⋮ & ⋮ & ⋱ & ⋮ \\ a_1^{n-1} & a_2^{n-1} & a_3^{n-1} & ⋯ & a_n^{n-1}\end{vmatrix}

\small \begin{cases} 1 \\ 2 \end{cases}

\small \begin{cases} 1 & 2 \\ 3 & 4 \end{cases}

\small \begin{Bmatrix}1 & 2 \\ 3 & 4 \end{Bmatrix}

\small \left. \begin{array}{c}1 \\ 2 \end{array} \right\}

\small \left\{ \begin{array}{cc}1 & 2 \\ 3 & 4 \end{array} \right\}

\small \left\{\begin{alignedat}{6}1 & x & +2 & y & & = & 3\\ 4 & x & -5 & y & & = & 6\end{alignedat}\right.

\small \left\{\begin{alignedat}{6}1 & x & +2 & y & & ≥ & 3\\ 4 & x & -5 & y & & ≤ & 6\end{alignedat}\right.

\left( x^2\right)

\left\langle x^2\right\rangle

\left[ x^2\right]

\left\{ x^2\right\}

\left/ x^2\right\backslash

\left| x^2\right|

\left\| x^2\right\|

\left\lfloor x^2\right\rfloor

\left\lceil x^2\right\rceil

\left\uparrow x^2\right\downarrow

\left\updownarrow x^2\right\updownarrow

\left\Uparrow x^2\right\Downarrow

\left\Updownarrow x^2\right\Updownarrow

\left( x,y\right.

\left. x,y\right)

\left( x,y\right]

\left[ x,y\right)

(x,y)

\left< x,y\right>

\mathopen\lt a\mathclose\gt

\pod a

\big(\big)

\Big(\Big)

\bigg(\bigg)

\Bigg(\Bigg)

\big[\big]

\Big[\Big]

\bigg[\bigg]

\Bigg[\Bigg]

\big\{\big\}

\Big\{\Big\}

\bigg\{\bigg\}

\Bigg\{\Bigg\}

{2n \choose n}

\binom{2n}{n}

\tbinom{2n}{n}

\dbinom{2n}{n}

\genfrac(){}{1}{1}{2}

\genfrac(){0pt}{1}{1}{2}

\genfrac(){1pt}{1}{1}{2}

1 \brack 2

1 \brace 2

\genfrac(){0pt}{0}{1}{2}

\genfrac(){}{0}{1}{2}

\genfrac(){1pt}{0}{1}{2}

\left( \frac{\displaystyle{}1}{\displaystyle{}2}\right) ^{3}

\overline{a}

\overrightarrow{a}

\overleftrightarrow{a}

\overleftarrow{a}

\underline{a}

\underrightarrow{a}

\underleftrightarrow{a}

\underleftarrow{a}

\overleftharpoon{a}

\overrightharpoon{a}

\widehat{a}

\widecheck{a}

\overlinesegment{a}

\overbrace{a}

\overgroup{a}

\widetilde{a}

\xlongequal[a]{}

\underlinesegment{a}

\underbrace{a}

\undergroup{a}

\utilde{a}

\xlongequal{a}

\vec{a}

\dot{a}

\ddot{a}

\mathring{a}

\bar{a}

\acute{a}

\check{a}

\grave{a}

\hat{a}

\tilde{a}

\breve{a}

\stackrel{a}{.}

\color{red}A

\fcolorbox{red}{transparent}{A}

\fcolorbox{red}{yellow}{A}

\colorbox{aqua}{A}

\cancel{1}

\sout{1}

\bcancel{1}

\xcancel{1}

\not{1}

\boxed{\textbf{1}}

\boxed{\mathfrak{F}}

\fbox{A}

α

β

γ

δ

ε

ϝ

φ

η

ι

κ

λ

μ

ν

ο

ρ

π

θ

σ

τ

υ

ξ

ω

χ

ψ

ζ

Α

Β

Γ

Δ

Ε

Ϝ

Φ

Η

Ι

Κ

Λ

Μ

Ν

Ο

Ρ

Π

Θ

Σ

Τ

Υ

Ξ

Ω

Χ

Ψ

Ζ

ℵ

ℶ

ℷ

ℸ

\KaTeX

\LaTeX

\TeX

Q.~E.~D.~

Q.~E.~A.~

\Bbb{Bbb}

\bf{bf}

\frak{frak}

\it{it}

\rm{rm}

\sf{sf}

\tt{tt}

\bm{bm}

\bold{bold}

\boldsymbol{boldsymbol}

a \pmb b c

\mathbb{mathbb}

\mathbf{mathbf}

\mathcal{mathcal}

\mathfrak{mathfrak}

\mathit{mathit}

\mathrm{mathrm}

\mathscr{mathscr}

\mathsf{mathsf}

\text{mathrm}

\text{text}

\textbf{textbf}

\textit{textit}

\textsf{textsf}

\textrm{textrm}

\textnormal{textnormal}

\texttt{texttt}

\xrightarrow{}[2]{1}

\xleftrightarrow{}[2]{1}

\xleftarrow{}[2]{1}

\xmapsto{}[2]{1}

\stackrel{1}{\longrightarrow}

\xhookleftarrow{}[2]{1}

\xhookrightarrow{}[2]{1}

\xtwoheadleftarrow{}[2]{1}

\xtwoheadrightarrow{}[2]{1}

\stackrel{1}{\longleftarrow}

\xleftharpoonup{}[2]{1}

\xrightharpoonup{}[2]{1}

\xleftharpoondown{}[2]{1}

\xrightharpoondown{}[2]{1}

\xlongequal{}[2]{1}

\xRightarrow{}[2]{1}

\xLeftrightarrow{}[2]{1}

\xLeftarrow{}[2]{1}

\xleftrightharpoons{}[2]{1}

\xrightleftharpoons{}[2]{1}

\xtofrom{}[2]{1}

↖

↙

\begin{matrix}A\quad~~ & \stackrel {1}⟶ & \quad B \\ ↖\footnotesize{3} & & ↙\footnotesize{2} \\ & C & \end{matrix}

\begin{matrix} & A & \\ & ↙\footnotesize{1}\quad ↖\footnotesize{3} \\ B & \stackrel{2}⟶ & C \end{matrix}

\begin{matrix}A~~~ & \stackrel {1}⟶ & B \\ ↑\footnotesize{4} & & ~~↓\footnotesize2 \\ D~~~ & \stackrel {3}⟵ & C \end{matrix}

\begin{matrix} & A & \\ & ~~↑\footnotesize{1} & \\ D\stackrel{4}← & O & \stackrel {2}→B \\ & ~~↓\footnotesize3 & \\ & C & \end{matrix}

\begin{CD} A @>a>> B\\ @VbVV @AAcA\\ C @= D \end{CD}

\begin{xy} \xymatrix{ } \end{xy}

\begin{tikzcd} 0 \end{tikzcd}

\overbrace{a+b}

\overbrace{a+b}^{\text{note}}

\underbrace{a+b}

\underbrace{a+b}_{\text{note}}

\backslash,\,

\backslash:\:

\backslash;\;

\tilde~

quad\quad

qquad\qquad

\backslash!\!

negthickspace\negthickspace

negthinspace\negthinspace

negmedspace\negmedspace

\llap{A}

\clap{A}

\rlap{A}

thinspace\thinspace

medspace\medspace

thickspace\thickspace

space\space

enspace\enspace

nobreakspace\nobreakspace

1\mathinner{\text{inner}}2

1\mathpunct{.}2

mkern\mkern{5mu}

mskip\mskip{5mu}

hspace\hspace{5mu}

kern\kern{0.25em}

hskip\hskip{0.25em}

hspace*\hspace*{0.25em}

smash[b]\smash[b]{A}

raisebox\raisebox{0.25em}{A}

\tiny tiny

\scriptsize scriptsize

\footnotesize footnotesize

\small small

\normalsize normalsize

\large large

\Large Large

\LARGE LARGE

\huge huge

\Huge Huge

三角	双曲
算术	数论
代数	解析
集合	逻辑
几何	拓扑
概率	统计

$\frac{1}{2}$	$=$	$≤$
${x}_1^2$	$\sqrt{2}$	$\tfrac{\mathrm{d} f}{\mathrm{d} x}$
$\Sigma$	$\lim$	$\int$
$\begin{smallmatrix}1 & 2 \\ 3 & 4 \end{smallmatrix}$	$\\$	$\def\zzllrr#1#2{{#1}+{#2}}\zzllrr{\pi}{4}$
$\small \begin{bmatrix}1 & 2 \\ 3 & 4 \end{bmatrix}$	$\small \begin{vmatrix}1 & 2 \\ 3 & 4\end{vmatrix}$	$\small \begin{cases} 1 \\ 2 \end{cases}$
$\left( x^2\right)$	$\big(\big)$	${2n \choose n}$
$\overline{a}$	$\vec{a}$	$\color{red}A$
$α$	$Α$	$ℵ$
$\Bbb{Bbb}$	$\mathbb{mathbb}$	$\text{text}$
$\xrightarrow{}[2]{1}$	$\xlongequal{}[2]{1}$	$↖$
$\overbrace{a+b}$	$\backslash,\,$	$\backslash!\!$
$thinspace\thinspace$	$mkern\mkern{5mu}$	$\tiny tiny$