Question

A formula must begin with a _ sign and it works on set of values know as _​

Answer 1

Explanation:

All formulas begin with an equal sign (=). You can create a simple formula by using constant and calculation operator. For example, the formula =5+2*3, multiplies two numbers and then adds a number to the result. When you want to refer to variables instead of constants, you can use cell values, for example, =A1+A2.