//    PG (12)

//    11011.01 is a binary number. Its decimal equivalent is:

1*2^4 + 1*2^3 + 0*2^2 + 1*2^1 + 1*2^0 + 0*2^(-1) + 1*2^(-2)

//    56C.F is a hexadecimal number. Its decimal equivalent is:

5*16^2 + 6*16^1 + 12*16^0 + 15*16^(-1)