On 11 Feb, 09:28, Jussi Piitulainen <jpiit...@ling.helsinki.fi> wrote: > William Elliot writes: > > which can be written as 0.1^- where 1^- indicates a bar > > above the 1 which is used for infinite repetition of a digit. > > For example 1/3 = 0.3^- base 10. > > I'm sure I've seen this expressed as 0.(1) and 0.(3) respectively, > with the repeating digit sequence indicated by the parentheses. > > Works nicelier in plain text. Also works for, say, 0.00(010). > > Bars look hideous, especially inline. Embrace parentheses.