Electronic learning aid

Education and demonstration – Mathematics – Arithmetic

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434335, G09B 700

Patent

active

043403751

ABSTRACT:
An electronic learning aid includes a circuit for automatically developing problems, a display for displaying the problems, an input for introducing a calculated answer, and a determination circuit for detecting whether the introduced answer is correct. The display includes a first display unit of plural digits for displaying the problems, and a second display unit of plural digits for displaying the problem number, the score, the correct answer number, and the exercise number.

REFERENCES:
patent: 3584226 (1971-06-01), Divine et al.
patent: 3584398 (1971-06-01), Meyer et al.
patent: 3787988 (1974-01-01), Nakajima et al.
patent: 3925909 (1975-12-01), Duncan
patent: 3947976 (1976-04-01), Hafel
patent: 3974575 (1976-08-01), Duncan
patent: 4010556 (1977-03-01), Ellsworth et al.
patent: 4016411 (1977-04-01), Genin
patent: 4040048 (1977-08-01), Lien
patent: 4051605 (1977-10-01), Toal et al.
patent: 4052799 (1977-10-01), Journet
patent: 4117607 (1978-10-01), Gill
patent: 4126949 (1978-11-01), Simone

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