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Hex is base 16 meaning numbers are made up of 16 possible digits as below</>

0 1 2 3 4 5 6 7 8 9 A B C D E F

Its used to represent characters and colours as it is much easier to type and remember than binary

E.g. the number 255. HEX FF binary 111111111

The following tutorial explains how to convert a denary number to binary then HEX

Try the denary to hex conversion quiz below

Get a pencil and paper and work out the conversions using the guide below