US PATENT SUBCLASS 434 / 209
.~.~ Division or multiplication

Current as of: June, 1999
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434 /   HD   EDUCATION AND DEMONSTRATION

188  DF  MATHEMATICS {4}
191  DF  .~ Arithmetic {17}
209.~.~ Division or multiplication

DEFINITION

Classification: 434/209

Division or multiplication:

(under subclass 191) Subject matter relating to dividing or multiplying one number by another.