This filter is similar to Sum Root filter - it accepts tickets with selected sum root values calculated from first and/or last digits. Sum root is a single digit number ranging from 1 to 9. It is calculated from arithmetic sum of ticket's first or last digits of main numbers by repeatedly summing the digits of the sum value until only a single digit number is left.
Note: When playing powerball-like lotteries which draw one or more numbers from a separate pool then the powerball number(s) is not included in ticket's sum value.
When filtering with settings Sum root of last digit is: 3, 5 then:
Note: When filter with settings Sum root of first and last digits is... then the filter behaves the same way as Sum Root filter.
See also Digits Sum Root statistics.