708 / | HD | ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING |
100 | DF | ELECTRICAL DIGITAL CALCULATING COMPUTER {10} |
200 | DF | .~ Particular function performed {26} |
490 | DF | .~.~ Arithmetical operation {27} |
650 | DF | .~.~.~ Division {3} |
652 | .~.~.~.~ Coded decimal |