Math Notation Help

\fbox{x=\frac{1}{2}}$$ Keyword(s): fbox fraction • Syntax: \frac{numerator}{denominator} • Use font sizing commands for specific sizing if you don't want the predefined one to be taken. • Ex. (with predefined sizing):$$f(x,y)=\frac{2a}{x+y}gives

f(x,y)=\frac{2a}{x+y}$$• Ex. (with specific sizing):$$f(x,y)=\frac{\fs{2}2a}{\fs{2}x+y}gives

f(x,y)=\frac{\fs{2}2a}{\fs{2}x+y}$$• You may nest fractions as much as you want. • Ex. (nested fractions):$$\frac{\frac{a}{x-y}+\frac{b}{x+y}}{1+\frac{a-b}{a+b}}gives

x>y$$ Keyword(s): >greater than greater than or equal$$x\ge~y$or x\geq~y$$gives $x\ge~y$  Keyword(s): >= greek letters (overview) Simply write \greekletter for lower case and \Greekletter for upper case. Here's a list of all known greek letters (Note: not all upper case greek letters are known): Lower Case Greek Letters:  Command Filter Expression Result \alpha $$\alpha\alpha$$ \beta $$\beta\beta$$ \gamma $$\gamma\gamma$$ \delta $$\delta\delta$$ \epsilon $$\epsilon\epsilon$$ \varepsilon $$\varepsilon\varepsilon$$ \zeta $$\zeta\zeta$$ \eta $$\eta\eta$$ \theta $$\theta\theta$$ \vartheta $$\vartheta\vartheta$$ \iota $$\iota\iota$$ \kappa $$\kappa\kappa$$ \lambda $$\lambda\lambda$$ \mu $$\mu\mu$$ \nu $$\nu\nu$$ \xi $$\xi\xi$$ o (!) $$oo$$ \pi $$\pi\pi$$ \varpi $$\varpi\varpi$$ \rho $$\rho\rho$$ \varrho $$\varrho\varrho$$ \sigma $$\sigma\sigma$$ \varsigma $$\varsima\varsigma$$ \tau $$\tau\tau$$ \upsilon $$\upsilon\upsilon$$ \phi $$\phi\phi$$ \varphi $$\varphi\varphi$$ \chi $$\chi\chi$$ \psi $$\psi\psi$$ \omega $$\omega\omega$$ Upper Case Greek Letters:  Command Filter Expression Result \Gamma $$\Gamma\Gamma$$ \Delta $$\Delta\Delta$$ \Theta $$\Theta\Theta$$ \Lambda $$\Lambda\Lambda$$ \Xi $$\Xi\Xi$$ \Pi $$\Pi\Pi$$ \Sigma $$\Sigma\Sigma$$ \Upsilon $$\Upsilon\Upsilon$$ \Phi $$\Phi\Phi$$ \Psi $$\Psi\Psi$$ \Omega $$\Omega\Omega$$ I infinity $$\infty$gives$\infty$$  Keyword(s): infinity integral • General syntax for symbols with a kind of lower and upper limits: \symbolname_{lowerexpression}^{upperexpression} • In general, there are two ways how these lower and upper expressions can be placed: centered below and above the symbol or in a subscript / superscript manner. In the first case the symbol name is preceded by the word "big", in the second there is no prefix. • Syntax for integral symbol: $$\bigint_{0}^{\infty}gives \bigint_{0}^{\infty} and \int_{0}^{\infty} gives $\int_{0}^{\infty}$ • Use font size commands for a nicer picture:$$\LARGE\bigint_{\small0}^{\small\infty}gives \LARGE\bigint_{\small0}^{\small\infty} and \large\int_{\small0}^{\small\infty}$   gives

$\large\int_{\small0}^{\small\infty}$

 Keyword(s): int

iota (lower case greek letter)

$$\iota$gives$\iota$$

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