| Powers of 2 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 |
| Base 10 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
| EXAMPLES | |||||||||
| C=67 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 |
| P=80 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
| A=65 | B=66 | C=67 | D=68 |
| E=69 | F=70 | G=71 | H=72 |
| I=73 | J=74 | K=75 | L=76 |
| M=77 | N=78 | 0=79 | P=80 |
| Q=81 | R=82 | S=83 | T=84 |
| U=85 | V=86 | W=87 | X=88 |
| Y=89 | Z=90 |