In Excel, the disappearance of the number 0 can stem from a variety of reasons, each of which involves a specific function of Excel or the details of the user's operation.
First of all, this may be due to Excel's default display settings. By default, excel may display some values as blank, especially when they are treated as "zero values". This means that if the value of a cell evaluates to 0, excel may choose not to display it in order to keep ** tidy.
Second, the problem may stem from the format of the input data. In Excel, the format of your data has a crucial impact on how it is displayed. If a cell is formatted to not show leading zeros or trailing zeros, then any 0 values may be hidden or omitted.
What's more, formulas and functions in excel can also cause the 0 value to disappear. Some functions may automatically ignore or exclude 0 values during the calculation, or in some cases, the result of the formula may be 0, but excel may choose not to display it.
Finally, the user's actions can also cause the 0 value to disappear. For example, if a user accidentally deletes a cell that contains 0, or if some filter or collation is applied incorrectly, it can cause the 0 value to disappear from the view.
To solve the problem of 0 value disappearing in Excel, users need to double-check their data, formatting, formulas, and operations. They may need to adjust display settings, change data formats, modify formulas, or revisit their steps. Only in this way can they ensure that all data, including those important 0 values, is displayed correctly and completely in Excel.