Glossaries

Monday, June 30, 2025, 4:45 PM

Site: Trinity Moodle

Course: Trinity Moodle (Home)

Glossary: Math Notation Help

psi (lower case greek letter)

$$\psi$$ gives

$\psi$

Psi (upper case greek letter)

$$\Psi$$ gives

$\Psi$

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.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

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