Introduction - If you have any usage issues, please Google them yourself
Children to elementary school, every day, for each primary school teacher explain the answers to the homework is to give parents a number of questions, a child to answer. Out every day, but also a lot of trouble, so get hold of this small program, so he automatically a problem, calculate the corresponding answer. Or you can print directly on the computer to do it, you can check. If you have any good suggestions, you can contact me raised. .