using uCalcSoftware;

var uc = new uCalc();
uc.Description = "Main uCalc Instance";

// Get the DataType object for Int32
var intType = uc.DataTypeOf(BuiltInType.Integer_32);

// Use the .uCalc() method to get back to the parent instance and read its description.
Console.WriteLine(intType.uCalc.Description);