=IF(100<F47<F48,(3.650000+0.080000*(1+0.800000*(E4/E8)^0.900000)*(A4*E38/E32)^(0.500000+0.290300*(E4/E8)^0.194000)*(E36*E32/E26)^(1/3))*E26/E4,IF(E48<E47<22000,(0.023000*(1+14.800000*(1+E4/E8)*(E4/E8)^(1/3))*(A4*E38/E32)^(0.800000-0.220000*(E4/E8)^0.100000)*(E36*E32/E26)^(1/3))*E26/E4,IF(22000<E47<150000.000000,0.023000*(1+36*(1-E4/E8)*(E4/E8)^(0.800000))*(A4*E38/E32)^(0.800000)*(E36*E32/E26)^(1/3))*E26/E4))