US PATENT SUBCLASS 707 / 538
.~.~.~ Equation or formula processing

Current as of: June, 1999
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707 /   HD  DATA PROCESSING: DATABASE AND FILE MANAGEMENT, DATA STRUCTURES, OR DOCUMENT PROCESSING

500  DF  DOCUMENT PROCESSING {13}
530  DF  .~ Edit, composition, or storage control {4}
531  DF  .~.~ Text {7}
538.~.~.~ Equation or formula processing

DEFINITION

Classification: 707/538

Equation or formula processing:

(under subclass 531) Subject matter wherein the elements or other formal code sequences include a mathematical or formulaic expression.