The roll mode allows to roll dice and see the results quickly.
Mode 1 calculates the probability of fulfilling the set condition from at least 1 die to the selected number of dice. The condition can be set by number of dice greater than or equal to a value, or number of correct faces, through the "CONDITION" button.
The mode 2 calculates the probability of obtaining the sum of the dice greater than or equal to, equal to, and less than a value.