To enter a number:
Left-click in the desired square and choose a number from the popup keypad
-or-
Point to the desired square and press a number key on the keyboard
To clear a number:
Left-click in the desired square and choose 'x' from the popup keypad
-or-
Point to the desired square and press the space key on the keyboard
To create a pencil mark:
Right-click in the desired square and choose a number from the popup keypad
(For single-button mice, hold SHIFT or CTRL while clicking)
-or-
Point to the desired square and press a number key while holding SHIFT
Time
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0
Finished!
19
7
12
10
9
6
10
11
7
11
11
7
16
10
14
15
11
11
20
10
18
10
9
8
14
23
8
11
4
16
10
6
15
9
17
123
456
789
×
456
789
×
Starting in 5