I need this formula
Please help me. I need excel to figure the following formula
Fomula is Q=8.025 CA (h)0.5 where 0.5 is square root. C=0.61 A=4.91 I will have the value for Q OR H. Which ever one I have I need the answer for the other. I now the formula will work when I know Q=41.6 and the answer for h is 3. I now the formula will work when I know h=10 and the answer for Q is 76.0 Maybe I need two different formulas? Please Help me I am tired and out of ideas. Thank you soooooo much. |
For this example, I did the following:
A1: 0.61 (name this cell valC) A2: 4.91 (name this cell valA) A3: 3 (name this cell valH) A4: 41.63101 (name this cell valQ) Then put this formula in cell C1: =IF(valH="",IF(valQ="","Insufficient Data",(valQ/(8.025*valC*valA))^2),8.025*valA*valC*valH^0.5) Now: if you erase valH, the formula calculates valH. If you set valH to 3 and erase valQ the formula calculates valQ. If valH and valQ are blank, the formula returns "Insufficient Data" I hope that works for you. Regards, Ron |
Hi Margot,
Yes, you will need two formulas. Insert for example into cells A1:D4: A 4,91 A 4,91 C 0,61 C 0,61 Q 41,6 h 10 h =(B3/(8,025*B1*B2))^2 Q =8,025*D1*D2*D3^0,5 (use "." instead of my "," - I am sitting at a German version here) HTH, Bernd |
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