Two uses of hexadecimal

it allows you to store more information using less space. It is fast and simple to convert between hexadecimal numbers and binary.

Explanation: Hexadecimal can be used to write large binary numbers in just a few digits. It makes life easier as it allows grouping of binary numbers which makes it easier to read, write and understand.

to change your username, you must:

1) make sure what the username you want to change to is allowed in this community

2) contact a administrator (for example, jaysl)

3) through pm, tell the admin what you want to change to

4) if the username is allowed, it will be changed in a matter of seconds (minutes at most)

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