Microsoft Excel Training Videos
Array frormulas in Microsoft Excel - a powerful tool
How to use array formulas in Excel
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Normally you would multiply each of the number of shares with the the price of the shares
You would do the same multiplication withe rest of the data or use 'autofill'
Then you would 'sum' the individual results to get a total
With 'array' formulas you can achieve this in one step as demonstrated in the Excel training video
Another example of use of arrays in Excel
More about array formulas in Excel
Another great resource for Array Formulas in Excel
Array formulas in Excel