Linked from
The 80 pages that link to Function, each with the reason it gives.
SetRelated: Functions are defined through relationships between sets of inputs and outputs.
Ordered pairRelated: Its graph is a set of ordered pairs linking inputs to outputs.
Variable (mathematics)Related: Function notation distinguishes input variables from output values.
AlgebraRelated: Functions use algebraic rules to describe how quantities depend on one another.
AssociativityRelated: A binary operation is a function of two inputs.
Algebraic expressionRelated: An expression can serve as a rule for calculating a function’s output.
Convergent sequenceRelated: A sequence is a function from the natural numbers into a space.
Constant (mathematics)Related: A function can be constant when every input produces the same output.
Value (mathematics)Related: A function's value at an input is the output assigned to that input.