Math Dictionary of Mathematics Definitions

Mathematics is the science of numbers as Aristotle defined. Here we have collected all the important mathematics definitions. Browse these definitions or use the Search function for a specific definition.

Math Definitions

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There are currently 2 definitions in this directory beginning with the letter I.
Inequality
An inequality says that two values are not equal.
a ≠ b says that a is not equal to b
There are other special symbols that show in what way things are not equal.
a < b says that a is less than b
a > b says that a is greater than b
(those two are known as strict inequality)
a ≤ b means that a is less than or equal to b
a ≥ b means that a is greater than or equal to b.

Integer
A number with no fractional part (no decimals).


Includes:
• the counting numbers {1, 2, 3, ...},
• zero {0},
• and the negative of the counting numbers {-1, -2, -3, ...}
We can write them all down like this: {..., -3, -2, -1, 0, 1, 2, 3, ...}
Examples of integers: -16, -3, 0, 1, 198


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