Master Excel’s most versatile logical gatekeeper to validate inputs, prevent math crashes, and automate complex spreadsheet ...

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).

The first trial should be a whole number to make the calculation simpler. If the trial produces an answer which is too small, try a larger whole number with the second guess. If the trial produces an ...