Go to cell C3 and type the = (equal sign) followed by the constants and operators that you want to use in the calculation. e.g. type in cell C3 the formula =A1*B1
Press Enter. Note: Data: 1 and 5 Formula: =A1*B1 Description: the formula multiplies the values in cell A1 by the value in B1. Result: =A1*B1