Mathematical game apparatus

Details Mathematical game apparatus Mathematical game apparatus

1983-06-16

1984-06-05

Grieb, William H.

Education and demonstration

Mathematics

Arithmetic

273146, 434208, G09B 1902, A63F 904

Patent

active

044525885

ABSTRACT:
An apparatus for generating arithmetic expressions is disclosed. It comprises sets of number dice and of operator dice. The number dice are provided in two different colors, in order to remove ambiguity arising from the non-cumulative operations of subtraction and division, and to provide a means of designating negative numbers if so desired.

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