Math Notation Help

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This glossary will help you build complex mathematical equations using the Tex markup language. This will involve using @@ or $$ before and after the expression to display the desired results.
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P

psi (lower case greek letter)

$$\psi$$ gives \psi

Psi (upper case greek letter)

$$\Psi$$ gives \Psi

R

relativity

E=mc^2

rho (lower case greek letter)

$$\rho$$ gives \rho

right only brace

  • Syntax: \left.{...\right}  (note the dot!)
  • Ex.: $$\left.{{\rm~term1\atop\rm~term2}\right}=y$$ gives

\left.{{\rm~term1\atop\rm~term2}\right}=y

(\rm~something switches to roman style)

root

  • Syntax: \sqrt[n]{arg} or simply  \sqrt{arg} for \sqrt[2]{arg}
  • Ex.: $$\sqrt[3]{8}$$ gives

\sqrt[3]{8}

  • Ex.: $$\sqrt{-1}$$ gives

\sqrt{-1}

  • Nesting of roots (and combining with fractions, ...etc.) are possible.
  • Ex.: $$\sqrt[n]{\frac{x^n-y^n}{1+u^{2n}}}$$ gives

\sqrt[n]{\frac{x^n-y^n}{1+u^{2n}}}

  • Ex.: $$\sqrt[3]{-q+\sqrt{q^2+p^3}}$$ gives

\sqrt[3]{-q+\sqrt{q^2+p^3}}

S

s.u.m

$$\sum_{n+2}^x$$  is  \sum_{n+2}^x

sigma (lower case greek letter)

$$\sigma$$ gives \sigma

Sigma (upper case greek letter)

$$\Sigma$$ gives \Sigma

smiley

$$~\unitlength{.6}~\picture(100){~~(50,50){\circle(99)}~ ~(20,55;50,0;2){+1$\hat\bullet}~~(50,40){\bullet}~~(50,35){\circle(50,25;34)}~ ~(50,35){\circle(50,45;34)}}$$  is ~\unitlength{.6}~\picture(100){~~(50,50){\circle(99)}~ ~(20,55;50,0;2){+1$\hat\bullet}~~(50,40){\bullet}~~(50,35){\circle(50,25;34)}~ ~(50,35){\circle(50,45;34)}}

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