Number sign - Wikipedia
en.wikipedia.org › wiki › Number_signIn Mathematica syntax, #, when used as a variable, becomes a pure function (a placeholder that is mapped to any variable meeting the conditions). In LaTeX, #, when prefixing a number, references an arguments for a user defined command. For instance ewcommand{\code}[1]{\texttt{#1}}.
eFunda: Inverse Fourier Transform
www.efunda.com › webM › transformSyntax: Yes, please help fix my input into proper Mathematica ® syntax. No help needed. I am familiar with Mathematica ®. Note: This syntax helper works only for elementary functions such as Sin, Cosh, ArcTan, Log, and Exp. Members who need to use special functions and characters still need to learn the correct Mathematica ® input format from the HELP page.