INTRODUCTION:

This game is a test and practice of your calculating ability. Your mission is simple: select numbers and operations to make a correct expression! For example:

• Correct expression: 13 + 5 -4 + 12: 2-4 x 3 = 8
• Wrong expression: 13 + 5 -4 + 12: 2-4 x 3 = 7

    

CONTENT RATING:

                 

RULES:

• You choose numbers and operations on the screen.
• Each numbering position can only be selected once. The operation may be repeated many times.
• Each expression has only one sign =

GAME OVER:

• Timeout.

SCORING:

• Each number in a correct expression gives you 1 point. Each operator +, – gives you 1 point. Each operator x, : gives you 2 points.
• For example, with correct expression 13 + 5 -4 + 12: 2-4 x 3 = 8, your score increases 16 points.

NOTES:

• The higher score is, the lower timer is.
• After each correct expression is done, the selected numers will be deleted. The machine will randomly generate n new numders. At the begining, the value of n is 3. The higher score is, the bigger n is.
• The higher score is, the bigger the regenerated numbers are.

RANKING:

• You need to log in to your account to update your score on server and to load the top score table.
• If you do not have an account, you can register on the website or inside of game. The registration is free forever.
• Follow our website to update the ranking tables and new game information.

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