எண்கள்

Numbers

What is?
Representations
Classification
We used in general: Decimal

Types: Complex <-> Natural

Properties and Operations: Arithmetic,

List of operators

Numeral Systems and Conversion : based on number of digits used for represent the number

What is Number?

Wiki
A number is a mathematical object used to count, measure, and label.

Mathsisfun

A number is a count or measurement that is really an idea in our minds.

Something to count with!

Terms:

Quantity, Quality
Discrete, Continuous,
Multitude, Magnitude
Count, Measure, Label
Cardinal, Ordinal, Numeral

Discrete data can be counted,
Continuous data can be measured.

Quantity: Multitude, Magnitude

Magnitude: Count, Measure

Representations of Numbers:

Number, Numeral, Digit
Place Value, absolute value

Numeral System: Representations of Number

Decimal Numbers: we used in general

Classification: based on How many digits used

Base10, 2, 8, 16, ....
How many digits used for representation

Decimal Numbers:

Uses 10 digits
{0,1,2,3,4,5,6,7,8,9}

Operations and Operators

Arithmetic Operations :
கூட்டல், கழித்தல், பெருக்கல் வகுத்தல்

Properties of Numbers:

Add, Even
Prime, Co-Prime, Composite, Unit
Commutative, Assosiative, Distributive, Identity, Inverse
Order: Ascending, Descending
Multiple, Factor
Fraction, Decimal,

Types of Number:

Complex and Natural

Natural to Complex

Complex to Natural