The apostrophe symbol is used in math to denote the derivative function. Typically the symbol is used in an expression like: . In plain language, this represents the derivative of the function .
The " (double quote) symbol is used in computing to represent the start and end of a string of characters.
The backtick symbol is used in programming languages to express template strings.
The first derivative of a function is denoted by a apostrophe after the function name. Alternatively the partial symbol can be used to represent the derivative with respect to a variable.