| 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} |
| 550 | ![]() | .~.~.~ Compensation for finite word length {2} |
| 551 | DF | .~.~.~.~> Round off or truncation |
| 552 | DF | .~.~.~.~> Overflow or underflow {1} |