Converting between number bases using hexadecimal

# Converting between number bases using hexadecimal

In computer science, different number bases are used:

    decimal is base 10, which has ten units (0-9)
    binary is base 2, which has two units (0-1)

Hexadecimal, also known as hex, is the third commonly used number system. It has 16 units - 0-9 and the letters A, B, C, D, E and F.


Decimal  Binary  Hexadecimal
0         0000          0
1         0001          1
2         0010          2
3         0011          3
4         0100          4
5         0101          5
6         0110          6
7         0111          7
8         1000          8
9         1001          9
10        1010          A
11        1011          B
12        1100          C
13        1101          D
14        1110          E
15        1111          F