Span Lattice

Span Lattice is a working memory training tool that helps you steadily improve your instant recall ability with classic numerical breadth tasks. The application will present random numbers one by one according to the set rhythm, and you need to accurately repeat them in either forward or reverse order; After answering correctly, the length gradually increases. If answering incorrectly, try again or end according to your custom rules. Suitable for students, test takers, and those who wish to do a set of short-term memory exercises every day.