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LaTex In Questions


If you don't find the math structures you need using the keypads, you can also enter math formatted content directly in LaTex


First, enter Math authoring mode by clicking on the square root symbol in the question text area.



Then click on the LaTex Mode in the lower left of the window:




For example, a piece-wise function can be entered as follows:


Here is a more complicated example in which a Table is generated:



These are the kinds of things you can do:





Example, floor, ceil, Brace...


Logic and Set Theory

 \forall  \complement  \therefore  \emptyset
 \exists  \subset  \because  \empty
 \exist  \supset  \mapsto  \varnothing
 \nexists  \mid  \to  \implies
 \in  \land  \gets  \impliedby
 \isin  \lor  \leftrightarrow  \iff
 \notin  \ni  \notni  \neg or \lnot

Direct Input: ∀ ∴ ∁ ∵ ∃ ∣ ∈ ∉ ∋ ⊂ ⊃ ∧ ∨ ↦ → ← ↔ ¬ ℂ ℍ ℕ ℙ ℚ ℝ




Letters and Unicode

Greek Letters

Direct Input: Α Β Γ Δ Ε Ζ Η Θ Ι \allowbreak Κ Λ Μ Ν Ξ Ο Π Ρ Σ Τ Υ Φ Χ Ψ Ω \allowbreak α β γ δ ϵ ζ η θ ι κ λ μ ν ξ o π \allowbreak ρ σ τ υ ϕ χ ψ ω ε ϑ ϖ ϱ ς φ ϝ


 \Alpha  \Beta  \Gamma  \Delta
 \Epsilon  \Zeta  \Eta  \Theta
 \Iota  \Kappa  \Lambda  \Mu
 \Nu  \Xi  \Omicron  \Pi
 \Rho  \Sigma  \Tau  \Upsilon
 \Phi  \Chi  \Psi  \Omega
 \varGamma  \varDelta  \varTheta  \varLambda
 \varXi  \varPi  \varSigma  \varUpsilon
 \varPhi  \varPsi  \varOmega  
 \alpha  \beta  \gamma  \delta
 \epsilon  \zeta  \eta  \theta
 \iota  \kappa  \lambda  \mu
 \nu  \xi  \omicron  \pi
 \rho  \sigma  \tau  \upsilon
 \phi  \chi  \psi  \omega
 \varepsilon  \varkappa  \vartheta  \thetasym
 \varpi  \varrho  \varsigma  \varphi

Other Letters


Direct Input: ∂ ∇ ℑ Ⅎ ℵ ℶ ℷ ℸ ⅁ ℏ ð ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖÙÚÛÜÝÞßàáâãäåçèéêëìíîïðñòóôöùúûüýþÿ


Unicode Mathematical Alphanumeric Symbols

Item Range Item Range
Bold 𝐀-𝐙 𝐚-𝐳 𝟎-𝟗 Double-struck 𝔸-ℤ 𝕜
Italic 𝐴-𝑍 𝑎-𝑧 Sans serif 𝖠-𝖹 𝖺-𝗓 𝟢-𝟫
Bold Italic 𝑨-𝒁 𝒂-𝒛 Sans serif bold 𝗔-𝗭 𝗮-𝘇 𝟬-𝟵
Script 𝒜-𝒵 Sans serif italic 𝘈-𝘡 𝘢-𝘻
Fractur 𝔄-ℨ 𝔞-𝔷 Monospace 𝙰-𝚉 𝚊-𝚣 𝟶-𝟿




In addition, Brahmic, Georgian, Chinese, Japanese, and Korean glyphs are always accepted in text mode. However, these glyphs will be rendered from system fonts so their typography may clash. You can provide rules for CSS classes .latin-fallback, .cyrillic-fallback, .brahmic-fallback, .georgian-fallback, .cjk-fallback, and .hangul-fallback to provide fallback fonts for these languages. Use of these glyphs may cause small vertical alignment issues: We have detailed metrics for listed symbols and most Latin, Greek, and Cyrillic letters, but other accepted glyphs are treated as if they are each as tall as the letter M in the current font.

If the rendering mode is set to strict: false or strict: "warn" (default), then will accept all Unicode letters in both text and math mode. All unrecognized characters will be treated as if they appeared in text mode, and are subject to the same issues of using system fonts and possibly using incorrect vertical alignment.


Big Operators

 \sum  \prod  \bigotimes  \bigvee
 \int  \coprod  \bigoplus  \bigwedge
 \iint  \intop  \bigodot  \bigcap
 \iiint  \smallint  \biguplus  \bigcup
 \oint  \oiint  \oiiint  \bigsqcup

Direct Input: ∫ ∬ ∭ ∮ ∏ ∐ ∑ ⋀ ⋁ ⋂ ⋃ ⨀ ⨁ ⨂ ⨄ ⨆



See all the supported functions... 

Note that LaTex can be used in the question answers.

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