1. Select the time you want the numbers to show, the same time will be used to enter the numbers.

2. Select the number of digit to show.

3. Click Start.

4. A number with selected digits will show for selected seconds.

5. Try to remember the number before time finishes.

6. When show time finishes, the number will be erased and automatically the input field will be activated for you to re-enter the number.

7. When the same selected time finishes the match result will show either success or fail, with correct number showing again to you to compare.