708 / | HD | ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING |
100 | DF | ELECTRICAL DIGITAL CALCULATING COMPUTER {10} |
200 | DF | .~ Particular function performed {26} |
400 | DF | .~.~ Transform {4} |
403 | DF | .~.~.~ Fourier {6} |
408 | .~.~.~.~ Radix greater than two |