In Excel, all functions must begin with what symbol? equiv tt

In Excel, all functions must begin with the "=" symbol. This symbol indicates that the following text is a formula or function.For example, to add the values in cells A1 and B1, you would enter the formula "=A1+B1" in the cell where you want the result to appear.The other symbols listed, " " symbol is used to create absolute references in formulas, and the "≡" symbol is not a standard symbol used in Excel formulas or functions.