Glossary
A
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Absolute value
An absolute value of a number x, written as |x|, is the distance from x to 0 on a real number line.
See Absolute Value Equation -
Accuracy
How close a measurement is to an actual value.
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Algebra
The branch of mathematics involving the rules of operations and relations when working with variables.
B
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Bar graph
A graph with rectangular bars (plotted either vertically or horizontally) with lengths proportional to the values they represent.
See Pie Charts & Bar Graphs -
BEDMAS
The most common acronym for order of operations, meaning Brackets first, then Exponents, Division, Multiplication, Addition, and Subtraction.
See Order of Operations -
Binomial
A polynomial with two terms or a sum of two monomials; e.g. 5x + 1.
See Expanding
C
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Calculus
The branch of mathematics involving limits, derivatives and integrals.
See Calculus: Introducing the Concept -
Chain Rule
A formula for the derivative of the composite of two functions: [f(g(x))] ′ = f ′(g(x))∗g ′(x)
See Derivative Rules -
Circle
A geometrical shape that consists of the set of points in a plane that are equidistant from a given point (the centre).
See Introduction to Circles - Circumference
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Commutative Property
A property for some operations (such as addition or multiplication) which states that changing the order of the operands does not change the end result: a+b = b+a.
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Complex Numbers