works, thank you
Object reference not set to an instance of an object.
Error in calculating cell C3 in Worksheet orders
License license = new License();
license.SetLicense("Aspose.Cells.lic");
Workbook workbook = new Workbook();
Worksheet orders = workbook.Worksheets[0];
Worksheet hidden = workbook.Worksheets.Add("hidden");
orders.Name = "orders";
orders.Cells.CreateRange("A1", "A1").Name = "OPENLEVEL";
orders.Cells["A1"].PutValue("enter 120 here");
orders.Cells["C3"].Formula = "=ROUND(0.005*ROUNDDOWN(ROUND(MIN(OPENLEVEL,MIN(IF(111.153687602964>OPENLEVEL,OPENLEVEL,NA()),IF(110.958687602964>OPENLEVEL,OPENLEVEL,NA())))/0.005,9),0),9)";
orders.Cells["A1"].PutValue(90);
workbook.CalculateFormula();
object v = orders.Cells["C3"].Value;
workbook.Save("test8.xls");
return;
In previous quick build, I only add support for parsing NA function. Please try this attached version, now calculating NA function is also supported.