i have three different ranges:
BC1:BH1, contain values (f.e. yields)
CI1:CL1, contain some parameter values to start
CO1:CT1, each contains (different) formula using above CI1:CL1 parameters. Formula look like CI1+(CJ1-CI1)*(1-EXP(-0.5/CL1))/....
CN1, contains SUMMYXMY2(CO1:CT1, BC1:BH1)...