| 708 / | HD | ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING |
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| 800 | DF | ELECTRICAL ANALOG CALCULATING COMPUTER {1} |
| 801 |  | .~ Particular function performed {15} |
| 802 | DF | .~.~> Evaluation of equation {2} |
| 805 | DF | .~.~> Averaging |
| 806 | DF | .~.~> Variance or standard deviation determination |
| 807 | DF | .~.~> Evaluation of root (e.g., square root) |
| 808 | DF | .~.~> Evaluation of powers |
| 809 | DF | .~.~> Coordinate conversion or vector resolver {1} |
| 811 | DF | .~.~> Evaluation of trigonometric function {1} |
| 813 | DF | .~.~> Correlation or convolution {5} |
| 819 | DF | .~.~> Filtering |
| 820 | DF | .~.~> Transform {1} |
| 822 | DF | .~.~> Differentiation |
| 823 | DF | .~.~> Integrator {10} |
| 835 | DF | .~.~> Multiplication {7} |
| 844 | DF | .~.~> Division |
| 845 | DF | .~.~> Function generation {7} |