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Multiplying Rounded Numbers

  1. #1
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    Multiplying Rounded Numbers

    Hello all.

    I am new to the forum and hope I am doing okay at the moment!!!

    I am having a problem on a sheet. I have input a formula and the number doesnt usually come back as a whole number so I have formatted cells and made it to 0 decimal places. How ever I have a dropdown menu with numbers 1 - 15. This rounded value will be multiplied by the value seleted.

    The problem I am getting is, when the number is 1 and the value rounded is say for example 4.5 the answer is 5 and this is correct. But if I am multiplying by 2 the answer will show 9 (4.5*2) and not 10 (5*2).

    I hope this makes sense and hope you can help.

    Thanks in advance!

  2. #2
    Forum Expert shg's Avatar
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    Formatting doesn't affect the underlying number, just its display.

    You can use the ROUND function to round a number to the desired number of significant digits.
    Entia non sunt multiplicanda sine necessitate

  3. #3
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    I see what your saying. But how can I tell it to round the number and then multiply?

    This is the formula I am using:

    =$B4*(Data!$E$2*(1+0.4*($A4-1)))

    I tried this but it comes up with error

    =$B4*(round(Data!$E$2*(1+0.4*($A4-1))))

    I want the sum in the brackets to be calculated and rounded then multiplied by B4.

    Any suggestions?

  4. #4
    Forum Expert shg's Avatar
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    Help is your friend.

    ROUND(anyExpression, numDigits)

    E.g.,

    =$B4 * ROUND( Data'!$E$2 * (1 + 0.4 * ($A4 - 1) ), 0)

  5. #5
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    =$B4*ROUND(Data!$E$2*(1+0.4*($A4-1)),0)

    This has worked perfectly. Thank you very much for the help Shg!

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