| 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} |
| 670 | | .~.~.~ Addition/subtraction {11} |
| 671 | DF | .~.~.~.~> Comparison |
| 672 | DF | .~.~.~.~> Incrementation/decrementation |
| 673 | DF | .~.~.~.~> Radix correction {1} |
| 675 | DF | .~.~.~.~> Signal amplitude |
| 676 | DF | .~.~.~.~> Microwave |
| 677 | DF | .~.~.~.~> Cryogenic |
| 678 | DF | .~.~.~.~> By electronic tube |
| 679 | DF | .~.~.~.~> Magnetic |
| 680 | DF | .~.~.~.~> Decimal {2} |
| 683 | DF | .~.~.~.~> Coded decimal {2} |
| 700 | DF | .~.~.~.~> Binary {6} |