To convert from hexadecimal, replace each individual hex
digit with its 4-digit binary equivalent. Print this chart:
































































C521 base 16
To binary
C 5 2 1
1100 0101 0010 0001
Answer: 1100010100100001
To decimal:
A=10, B=11, C=12, D=13, E=14, F=15
3ADF base 16
You do 3ADF base 16 yourself.
Edwin