## Math Notation Help

2a\left(b+c\right)$$#### phi (lower case greek letter)$$\phi$gives$\phi$$#### Phi (upper case greek letter)$$\Phi$gives$\Phi$$#### pi$$x=\pi r^2$is$x=\pi r^2$$ Keyword(s): pi #### pi (lower case greek letter)$$\pi$gives$\pi$$#### Pi (upper case greek letter)$$\Pi$gives$\Pi$$#### plus$$+$is$+$$ Keyword(s): +plus #### plus minus$$a\pm~b$gives$a\pm~b$$#### product • General syntax for symbols with a kind of lower and upper limits: \symbolname_{lowerexpression}^{upperexpression} • In general, there are two ways how these lower and upper expressions can be placed: centered below and above the symbol or in a subscript / superscript manner. In the first case the symbol name is preceded by the word "big", in the second there is no prefix. • Syntax for product symbol:$$\bigprod_{i=k}^{n}gives

\bigprod_{i=k}^{n}

and

\prod_{i=k}^{n}

$gives $\prod_{i=k}^{n}$ • Use font size commands for a nicer picture: $$\LARGE\bigprod_{\tiny{i=k}}^{\tiny{n}}gives \LARGE\bigprod_{\tiny{i=k}}^{\tiny{n}} and \large\prod_{\small{i=k}}^{\small{n}} gives $\large\prod_{\small{i=k}}^{\small{n}}$ #### psi (lower case greek letter)$$\psi$gives$\psi$\$

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