Education and demonstration – Mathematics – Arithmetic
Patent
1979-11-28
1982-03-23
Hum, Vance Y.
Education and demonstration
Mathematics
Arithmetic
G09B 1902
Patent
active
043210465
ABSTRACT:
An electronic learning aid is disclosed, which automatically develops and displays problems, and functions to compare an answer introduced by a student with a correct answer stored in the electronic learning aid. A mode selection switch is provided for selectively placing the electronic learning aid in an exercise mode and in an examination (test) mode. In the exercise mode, a symbol display is energized for displaying information as to whether the introduced answer is correct or not upon every introduction of the answer by the student. In the examination (test) mode, the symbol display is not conducted, and a percentage score is displayed after completion of a series of problems.
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Kataoka Yoshiro
Oda Koiti
Sakaue Takashi
Hum Vance Y.
Sharp Kabushiki Kaisha
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