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hello everyone in this video we'll
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explore how to calculate a cumulative
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sum to effectively track your spending a
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cumulative sum also known as a running
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total continuously adds up values in a
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list giving you a running total at each
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step this allows you to see how your
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data accumulates over time in our
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worksheet column B contains daily
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spending amounts while column C shows
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the cumulative totals allowing us to see
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the running total at a glance to see how
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running total Works let's enter your
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first cumulative sum in celc2 which is
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simply the value from the first day
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spending next in cell C3 add the
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previous cumulative sum calculated in C2
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to the current day spending now apply
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the formula drag it down for the rest of
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your data as you drag the formula down
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Excel will automatically adjust the cell
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references giving you a running total
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for each day this is how the cumulative
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works when you drag the formula down it
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repeats the previous sum in rows where
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the spinning cells are blank to avoid
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this you can use an if function to hide
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the cumulative sum in rows without data
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let's edit the formula in cell C3 and
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copy it down the column with the updated
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formula the sum will only display when
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spending is entered give it a try once
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you enter a spending amount the
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cumulative sum will appear right next to
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it notice that if you miss or delete a
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value in column B say you enter a value
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and B13 leave b14 blank and then enter a
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value and B 15 the cumulative if some
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won't calculate correctly to ensure
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accurate results make sure there are no
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gaps in your list however if you need to
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allow for blank cells you can adjust the
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formula slightly in celc 2 Enter the
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formula as shown on screen this formula
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calculates the cumulative sum even when
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there are gaps in the list the updated
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formula uses a mixed reference where the
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first cell in the range row two remains
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fixed while the second cell adjusts as
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the formula is copied down the column
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this ensures the sum always starts from
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row two and continues to the current row
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so that's how you create a cumulative
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summon Excel I hope you found this video
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helpful if you did don't forget to give
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it a thumbs up and subscribe for more
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Excel tips and tricks thanks for
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watching and see you in the next video
