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).

Students around the world often dislike mathematics and eagerly await the day when they won’t have to struggle with long, complicated calculations. While the hate is widespread, a comprehensive ...

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 ...

Many students find math challenging, especially when dealing with fractions, decimals, and percentages. Mastering the conversion between these forms simplifies calculations and enhances understanding.