Forum Discussion
SUMPRODUCT formula persistent fail. UK Stamp Duty Formula
Found the following well commented and working formula for calculating U.K. stamp duty =SUMPRODUCT(--($B$3>{125000,250000,925000,1500000}), ($B$3-{125000,250000,925000,1500000}), {0.02,0.03,0.05,0.0...
Deleted , try to check what are your default list separator (comma, semicolon) and decimal separator (dot, comma) and if you correctly use them in formula. I guess you are on iPad, don't know where such basic settings are for it.