Instead you can use a predefined formula that uses the SUM function. Now write the range of sum or you can select the range by using the mouse to drag. The equal sign tells Excel that text is in the form of a calculation and the values stored are mathematical equations.
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FACT 5 would calculate the factorial of 5 in Excel. Step 3- After placing the probability problem click the fx option which is situated in the top left corner of your Excel window. To present the difference between two times as a decimal number use this formula. For simple formulas simply type the equal sign followed by the numeric values that you want to calculate and the math operators that you want to use the plus sign to add the minus sign - to subtract the asterisk to multiply and the forward slash to divide.