US PATENT SUBCLASS 434 / 188
MATHEMATICS

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

188MATHEMATICS {4}
189  DF  .~> Base conversion or use of base other than ten
190  DF  .~> Magnet included in teaching means
191  DF  .~> Arithmetic {17}
211  DF  .~> Geometry, trigonometry, or physical mathematic model structure {5}

DEFINITION

Classification: 434/188

MATHEMATICS:

(under the class definition) Subject matter relating to the science of numbers and their operations, interrelations, combinations, generalizations, and abstractions, and of space configurations and their structure, measurement, transformations, and generalizations.

SEE OR SEARCH CLASS

283, Printed Matter,

44, for printed sheets of mathematical values.