Introduction - If you have any usage issues, please Google them yourself
Enter the 10 signed decimal numbers the keyboard, stored in an array of array. Enables the following features: 1. 10 have calculated the mean number of symbols stored in the storage unit and wmed output. 2. in the storage space of ten signed descending store, after the completion of the output. 3. Statistics of ten the number of positive and negative numbers, and symbols in the output.