TEX/Favorites

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|\textstyle \frac{x}{y}   ||  \frac{x}{y} 
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|\textstyle \sum_x^n    ||  \sum_{x=1}^{n} 
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|\textstyle \prod_x^n    ||  \prod^{x=1}_{n} 
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|\textstyle \int_a^b    ||  \int_{a}^{b} f (x)\,dx 
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|\textstyle  \frac{\partial x}{\partial y}  ||  \frac{\partial x}{\partial y}  
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|\textstyle \sqrt x   ||  \sqrt{x} 
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|\textstyle \sqrt[3]{x}  ||  \sqrt[3]{x} 
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|\textstyle f(x)  ||  f(x) 
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|\lim   ||  \lim_{x\to\infty} 
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| ***
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|\sin   ||  \sin (x) 
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|\cos   ||  \cos (x) 
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|\tan   ||  \tan (x) 
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|\log   ||  \log (x) 
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|\ln   ||  \ln (x) 
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| ***
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|\le   ||  \le 
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|\ge   ||  \ge 
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|\neq   ||  \neq 
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|\approx   ||  \approx 
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|\equiv   ||  \equiv 
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|\propto   ||  \propto 
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|\infty   ||  \infty 
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| ***
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|\alpha   ||  \alpha 
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|\beta   ||  \beta 
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|\gamma   ||  \gamma 
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|\delta   ||  \delta 
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|\epsilon   ||  \epsilon 
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|\zeta   ||  \zeta 
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|\eta   ||  \eta 
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|\theta  ||  \theta 
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|\vartheta  ||  \vartheta 
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|\kappa   ||  \kappa 
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|\lambda   ||  \lambda 
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|\mu   ||  \mu 
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|\xi   ||  \xi 
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|\pi   ||  \pi 
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|\rho   ||  \rho 
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|\sigma   ||  \sigma 
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|\tau   ||  \tau 
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|\phi   ||  \phi
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|\varphi   ||  \varphi
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|\chi   ||  \chi
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|\psi   ||  \psi
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|\omega   ||  \omega 
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| ***
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|\Rightarrow   ||  \Rightarrow 
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|\rightarrow  ||  \rightarrow 
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|\Leftarrow ||  \Leftarrow 
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|\leftarrow   ||  \leftarrow 
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|\Leftrightarrow ||  \Leftrightarrow 
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|\vec{x}  ||  \vec{x} 
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| ***
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|(   ||  \left( 
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|)   ||  \right) 
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|[   ||  \left[ 
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|]   ||  \right] 
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|\{   ||  \left{ 
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|\}   ||  \right} 
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|\textstyle {n \choose k}  || {n \choose k} 
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| ***
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|\Box || \Box
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|\forall || \forall
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|\exists || \exists
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|\in || \in
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|\not\in || \not\in
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| ***
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|\mbox{Taylor} || f(x) = \sum_{k=0}^{\infty } \frac{ f^{k} (a) }{ k! } (x - a)^k
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|\mbox{Euler}^1 || e^{i \varphi } := \cos \varphi   + i \sin \varphi 
|}