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excel 2010 - if statement with % deduction in formula

hi experts, could you please assist with the following formula

=IF(D82="","",D82*E82*G82/100-F82)

what im trying to do here is;
if d82 = nothing then put in nothing, otherwise d82xg82/100-f82

ok so heres what are in these cells
d82 has 6.00 x
e82 has 2.40 =
f82 has 14.40-
g82 has 10%

the result to show in cell h82

so im looking for a formula to deduct 10% in this case but it wont always be 10% i will change this all the time so thats why its what ever i enter into the cell for the %.
please assist

Also, for some reason i cant print these solutions for some reason, there is 1 icon in experts exchange but then i have to click on "cntrl p" to print, is that right?

byundt

A sample workbook would be helpful for this question.

If the data cells contain a mixture of numbers and arithmetic operators, then we need to parse those cells to extract the numbers.

byundt

One possible formula is:
=IF(D82="","",LEFT(D82,LEN(D82)-1)*LEFT(E82,LEN(E82)-1)*G82-LEFT(F82,LEN(F82)-1)*(RIGHT(F82,1) & 1))

This formula assumes:
D82 is text that contains a number followed by a space and "x"
E82 is text that contains a number followed by a space and "="
F82 is a number formatted as percent. So you don't need to divide by 100.
G82 is text that contains a number followed by "-"
The desired calculation is 6*2.40*10% - (-1440)

Frank .S

ASKER

hi byundt, i dont believe such a complex formula would be required. I can achieve the correct qty or result but i need it to be a positibe not a negative qty.

I just need the following formula to = a positive qty, at the moment the following formula =
- 12.96, it must = 12.96

=IF(D82="","",D82*E82*G82/100)-(F82)

richardjandrew

Are you just trying to take 10% from the result of D82*E82?
If I understand correctly you shouldn't need to refer to cell F82 at all, in which case you could use the following formula:
=IF(D82="","",(D82*E82)-((D82*E82)*G82))
If you want to use an intermediate formula you could do:
=IF(D82="","",F82-(F82*G82))
This is assuming that the formula in cell F82 is
=D82*E82

Rob Henson

If you are wanting to deduct 10% from the result, the way round it could be to multiply the result by 0.9 ie 90%, so:

=IF(D82="","",((D82*E82)*1-E82)-F82)

Thanks
Rob H

Frank .S

ASKER

hi experts ive tried your formulas and unfortunately they dont get me the correct result. If you look at the original post, the result should = 12.96 and I dont get that when using your formulas

byundt

If 12.96 is the answer, then all the discussion about D82 and E82 is just a red herring. Your formula is one of:
=IF(D82="","",F82*(1-G82))
=IF(D82="","",F82*(1-G82/100))

The reason for two possible formulas is I'm not sure that cell G82 actually contains the value 10%. If you put 0.1 in the cell and format using % format, it will display 10% and the first formula will work. If you put 10 in the cell, then you need to use the second formula.

Frank .S

ASKER

hi byundt, im still getting the wrong result so i have attached the wksht for your reference.
The cell in question is i82
percentage-ddt-formula-error.xlsx

ASKER CERTIFIED SOLUTION

richardjandrew

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