About 65,800 results
Open links in new tab
  1. Function (mathematics) - Wikipedia

    The concept of a function was formalized at the end of the 19th century in terms of set theory, and this greatly increased the possible applications of the concept. A function is often denoted by a letter …

  2. What is a Function - Math is Fun

    What is a Function? A function relates an input to an output. It is like a machine that has an input and an output. And the output is related somehow to the input. " f (x) = ... " is the classic way of writing a …

  3. Function | Definition, Types, Examples, & Facts | Britannica

    Jan 13, 2026 · Function, in mathematics, an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable). Functions are …

  4. Algebra - The Definition of a Function - Pauls Online Math Notes

    Jun 14, 2024 · We also give a “working definition” of a function to help understand just what a function is. We introduce function notation and work several examples illustrating how it works. We also …

  5. Azure Functions documentation | Microsoft Learn

    Azure Functions is a managed platform-as-a-service (PaaS) provider that provides event-driven and scheduled compute resources for Azure cloud services. You can focus on the code that matters most …

  6. Functions | Algebra 1 | Math | Khan Academy

    About this unit A function is like a machine that takes an input and gives an output. Let's explore how we can graph, analyze, and create different types of functions. Unit guides are here! Power up your …

  7. What Are Functions in Math?- Cuemath

    Functions define the relationship between two variables, one is dependent and the other is independent. Function in math is a relation f from a set A (the domain of the function) to another set B (the co …

  8. function - Declare function name, inputs, and outputs - MATLAB

    Function with One Output Define a function in a file named calculateAverage.m that accepts an input vector, calculates the average of the values, and returns a single result.

  9. Functions | Algebra (all content) | Math | Khan Academy

    What is the range of a function? Does a vertical line represent a function?

  10. Function - Math.net

    On the left is a one-to-one function, also known as an injective function. No X element is mapped to the same Y element. In contrast, the function on the right is a function that is not one-to-one, since two of …