Arabian to Roman - for example, was 1977, will be MCMLXXVII.
Counter - generates a list of numbers. You must define the format string in the FAMOUS text entry. The format is: start_value~end_value~[step]. By the way, default value of "step" = 1. Example (with step = 5):
1~10~5
And as a result we have:
5
10
15
20
25
30
35
40
45
50