Test your mind, skill and speed in the fight with time. Find the required number using 40 different numbers in 4 columns and 10 rows. First row has four randomized numbers between 1 and 10, second row has randomized numbers from 11-20 and so on.... Use these numbers to fill up the three fields and apply the four basic elemental operations to achieve the correct number! Compete with other players in Leader-boards and strive to be on the top!