Try:

=IF(B25="Y",1.58,IF(OR(B12=8.12,B12=7.08),6.25,IF( OR(B12=9.87,B12=3.42,B12=9.7,B12=29.06,B12=15.13), 4.52,0)))

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"KLAbbott" wrote in message
...
I have a spreadsheet which already contains the following formula:
=IF((B12=8.12),6.25,IF((B12=7.08),6.25,IF((B12=9.8 7),4.52,IF((B12=3.42),4.52,IF((B12=9.7),4.52,IF((B 12=29.06),4.52,IF((B12=15.13),4.52,IF((B12=13.51), 4.52,0))))))))
Now I want it to also say:
BUT IF B25 EQUALS 'Y' THEN OVERIDE ALL THE ABOVE AND ENTER 1.58

I am so stuck with this, it seems I cannot add another IF within the
above,
and even if I do then because B12 still states one of the above figures
then
even if B25 is a 'Y' then it won't overide it to say 1.52!

Grateful for all advice.