Dealing with missing number & Change up

1.Missing number processing:Check the number you want to missing and press the button.

2.Check missing numbers:Check the number of entries and the missing numbers on the screen.

3.Check:Check with heat paper.

4.Change number of up:Change number of up and press button.

5.Check number of up : Check number of up on the screen.

6.Check:Check with judge paper.

7.Final check: Check with tablet.