# How are Numbers represented on a Computer?

## About

This section is about number representation and storage on a computer.

All numbers are stored physically in Bit that represents a binary system

## List

On a computer, you have four class of data type that represents numbers

- Integer - integer small in size
- Long (BitgInt) - integer big in size
- Floating point (float, double) - approximative number with rounding error
- Fixed point (numeric, decimal) - number with limited-precision used in accounting