Hi - I would like to be able to sum the individual digits in a date - e.g, a given date = the sum of its individual digits. Some examples: Date: 7/13/1969 = 7 + 1 + 3 + 1 + 9 + 6 + 9 = 36 Date: 12/20/2019 = 1 + 2 + 2 + 0 + 2 + 0 + 1 + 9 = 17 I have s...