EBCDIC

Short for Extended Binary Coded Decimal Interchange Code, EBCDIC was first developed by IBM and is a coding method used by computers to present letters, numbers, or other symbols in a binary language the computer can understand. EBCDIC is similar to ASCII commonly used on most computers and computer equipment today.

EBCDIC Converts to
{ +0
} -0
A +1
B +2
C +3
D +4
E +5
F +6
G +7
H +8
I +9
J -1
K -2
L -3
M -4
N -5
O -6
P -7
Q -8
R -9

Also see: ASCII, Typography terms