| 摘要 |
An electronic calculator for learning is provided to enable kids to easily understand concept of numbers and principle of four arithmetical rules, and make a learner advance no procedure for checking a right answer by offering a correct arithmetic result while advancing an arithmetic process without guidance of a teacher. An input part(10) includes a numeric keypad and an operator keypad. A controller(20) advances an arithmetic procedure according to an arithmetic command including the numbers and an operator inputted from the input part, and outputs at least one of the inputted and resulted numbers to an arithmetic formula display part(30) and an image display part(40). The arithmetic formula display part displays at least one of the inputted and resulted numbers. The image display part includes multiple blocks respectively having a lighting device and independently turned on/off, and displays at least one of the inputted and resulted numbers by using the light device of the blocks. A voice output part(50) outputs voice.
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