In mathematical functions, the letter "x" is used as a variable, meaning it's used in place of an unknown value or values. The letter "x" is commonly used to represent a variable, ...

What Is a Mathematical Function?
Ever since civilization began advancing beyond the most simple needs, mathematics has advanced to meet the needs of humankind. Whether it's figuring out how to properly build a bridge, predict taxes in the coming years, or understanding the mechanics of... More »
Difficulty: Easy
Source: www.ehow.com

## Function (mathematics)

en.wikipedia.org/wiki/Function_(mathematics)

In mathematics, a function is a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output.

## What is a Function - Math is Fun

www.mathsisfun.com/sets/function.html

We will see many ways to think about functions, but there are always three main .... Functions have been used in mathematics for a very long time, and lots of ...

In addition to the fixed values that can be accessed from the Math class there are also a whole range of functions that are available. You will probably only use the sin, cos, tan, acos, asin, atan, atan2, log, exp, pow, ... More »

## The Wolfram Functions Site

functions.wolfram.com/

The world's largest collection of formulas and graphics about more than 300000 mathematical functions for the mathematics and science communities.

## NIST Digital Library of Mathematical Functions

dlmf.nist.gov/

Result of a project to provide a modern revision of Abramowitz and Stegun's " Handbook of Mathematical Functions". The site includes definitions, properties, and ...

## What is a function? | Function introduction | Khan Academy

It is very important in higher math. In fact, the pre-calculus course I took way back when was actually called "Elementary *Functions*." They are another vital ...

## The Definition of a Function - Pauls Online Math Notes

tutorial.math.lamar.edu/Classes/Alg/FunctionDefn.aspx

However, before we actually give the definition of a function let's see if we ... Some relations are very special and are used at almost all levels of mathematics.

## Mathematical function - The Free Dictionary

www.thefreedictionary.com/mathematical function

Noun, 1. mathematical function - (mathematics) a mathematical relation such that each element of a given mathematical function - (mathematics) a mathematical ...

Popular Q&A
Q: What are the mathematical functions in SQL?
A: Multiply function is basically used in SQL.after that if we want to add,subtract,divide,module then we can also do this. Read More »