No. You can have formulas that just use numbers, though for those it is better to put the numbers into the cells and refer to the cells. There are also some functions that do not refer to cells, like the TODAY() function.
Relative referencing is the default for all spreadsheet applications, no matter who is the manufacturer or what version. It is the most commonly used referencing and one of the key characteristics of a spreadsheet that makes it so useful.
Yes, that term is used. By referencing a cell you can use the value that is in that cell.
E23 can be a cell reference, referring to the 23rd cell in column E. E23, or any cell reference, can be used in formulas.
There are thousands of formulas and more than a hundred functions used in Excel.
No. Percent is not an operator, it is a symbol or cell format style.
In order to do formulas that use values in cells, you need to be able to refer to those cells in the formulas. That is what a cell reference does. You can then create formulas that can be copied quickly and be used for any values that may appear in the cells. As much as possible cell references, rather than values, should be used in formulas.
Formulas that work in Excel 2010 will work in any of the older versions of Excel. The main difference from 2007 onwards is the way Excel looks. Fundamentals like how standard formulas are used never changes. It is still a spreadsheet. If they cannot do those standard things then they are not really spreadsheets.
Functions are basically built-in formulas in Excel. They are used extensively in Excel, so it is very important to know how to use them.
That depends on what columns are added or deleted and what functions are being used and what cells they are referencing. Sometime Excel can adjust the functions so that they continue to reference the correct cells. In other cases, removing a column might remove an important value for a function causing an error, such as the #REF! error. That can occur when a formula is looking for a cell that is no longer on the worksheet.
If you mean for the current file, you could use the CELL function and its filename option like this: =CELL("filename",A2) This will give you the name and folders for the file. It can also be used to get the details by referencing a cell in another file. =CELL("filename",'C:\[ABc.xls]Sheet1'!$A$5)
Formulas in the cells in the worksheet.
A cell address identifies a particular cell. It can be used in formulas to help in calculations. By using the cell address you can access the value in the cell.A cell address identifies a particular cell. It can be used in formulas to help in calculations. By using the cell address you can access the value in the cell.A cell address identifies a particular cell. It can be used in formulas to help in calculations. By using the cell address you can access the value in the cell.A cell address identifies a particular cell. It can be used in formulas to help in calculations. By using the cell address you can access the value in the cell.A cell address identifies a particular cell. It can be used in formulas to help in calculations. By using the cell address you can access the value in the cell.A cell address identifies a particular cell. It can be used in formulas to help in calculations. By using the cell address you can access the value in the cell.A cell address identifies a particular cell. It can be used in formulas to help in calculations. By using the cell address you can access the value in the cell.A cell address identifies a particular cell. It can be used in formulas to help in calculations. By using the cell address you can access the value in the cell.A cell address identifies a particular cell. It can be used in formulas to help in calculations. By using the cell address you can access the value in the cell.A cell address identifies a particular cell. It can be used in formulas to help in calculations. By using the cell address you can access the value in the cell.A cell address identifies a particular cell. It can be used in formulas to help in calculations. By using the cell address you can access the value in the cell.