Display polyhedra having marked and unmarked paired opposing fac

Details Display polyhedra having marked and unmarked paired opposing fac Display polyhedra having marked and unmarked paired opposing fac

1993-11-01

1995-01-31

Mancene, Gene

Education and demonstration

Mathematics

Arithmetic

434208, 434403, 273146, G09B 1902

Patent

active

053854730

ABSTRACT:
A polyhedra for emulating an object or other phenomena with marked surfaces, includes a plurality of faces, some with markings and some being blank. The surfaces are arranged about the polyhedra so that each marked face is opposite a blank face. The polyhedra may be used for conducting and/or demonstrating the principles of probability in conjunction with a projection device.

REFERENCES:
patent: 4465279 (1984-08-01), Larson

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