1. Common formulas
An Excel formula always begins with an equal sign (=). Create a formula by combining numbers, cell references, arithmetic operators, and/or functions.
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2. Calculate the amount of time between two dates
Subtract the two dates
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3. Keep a running total
To keep a running total of cells A1 through A6 in column B, enter the formula shown with the SUM function and absolute cell references
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4. Keep a running total
Copy the formula from cell B1 to cells B2 through B6.
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5. Join first and last names
To show the full name, use a formula in this format:
=B2&” “&A2
To show the last name, first name format:
=A2&”, “&B2
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6. Increase a number by a percentage
To increase the cash balance amount in this worksheet by 10%, enter this formula
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