These are decimal numbers, and dots above some of the digits make them recurring decimals. One dot means the digit under it repeats infinitely. In other words, it goes on forever (and ever and ever).

e.g. 1 / 4 = 0.25 1 / 3 = 0.(3) 1 / 5 = 0.2 1 / 6 = 0.1(6) 7 / 11 = 0.(63) 29 / 12 = 2.41(6) 1 / 9 = 0.(1) 2 / 3 = 0.(6) 9 / 11 = 0.(81) 7 / 12 = 0.58(3) 1 / 81 = 0.(012345679) 22 / 7 = 3.(142857) The ...

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Q. Thanks for your advice in the September 2001 issue on converting fractions in Excel into decimal values. But how about those of us who need to do the reverse—that is, convert decimal values into ...

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