Portable arithmetic learning machine with voice output function

摘要

the design of voice output function with a math learning, the host computer to the memory connected to the built-in processor in the digital key and function key, the function and the arithmetic that is so, the function of the negative output and at the same time, too. let (led) the use of visual effects, and easy to carry to have the function of children's arithmetic in the study.;so, the study of children's arithmetic for voice output is not a simple digital, related to the voice output and voice output 99 limited, and in book form, with a very uc810uc774.;according to the source of the built-in processor are stored in the memory, the power source at need to be able to add, delete, 99, and in the city to form the landscape and the study of ub418ub294 effective help.