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Cross Sums

How to play


Rule

Place one digit from 1 to 9 in each empty box so that the sum of the digits in each set of consecutive white boxes(horizontal or vertical) is the number appearing to the left of a set or above the set. No number may appear more than once in any consecutive boxes.

How to play

Current position
Move the mouse to one of small boxes and click it. The small box will turn cyan. This means that the cyan box is active.

Move current position
To move current active box, click another box or type one of 4 arrow keys (left, right, up, down).

Digit key
To enter a digit into the current box, type one of any number keys from 1 to 9, then the digit will appear.
Clear a box
To clear a digit in a box, move current position to the box by cliking it. Then type space bar or 0(zero) key, the box become blank.

Hint mode
If Hint check box is checked, the digit you type will appear in pink. If Hint check box if off, the digits appear in black. I believe this mode help you much.
Clear all
To clear all boxed, push [Clear] button.
Check
When you fill all boxed, please push [Check] button. If there is any errors, the program inform you some information in read.


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