Glossary

Printer-friendly version

Browse the glossary using this index

Special | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL

F

Factor

Factor is a number that will divide into another number exactly, e.g. the factors of 10 are 1, 2 and 5. 

Factorial

Factorial is the product of all the consecutive integers up to a given number (used to give the number of permutations of a set of objects), denoted by n!, e.g. 5! = 1 x 2 x 3 x 4 x 5 = 120.

Formula

Formula is a rule or equation describing the relationship of two or more variables or quantities.

Fraction

Fraction is a way of writing rational numbers (numbers that are not whole numbers), also used to represent ratios or division, in the form of a numerator over a denominator, e.g. 3⁄5 (a unit fraction is a fraction whose numerator is 1).

Function

Function is a relation or correspondence between two sets in which one element of the second (codomain or range) set ƒ(x) is assigned to each element of the first (domain) set x.