I can find the best-fit polynomial function for the array, y = ax^2 + bx + c (where y = voltage output and x = incident temperature), and if I have arrays of data at flat fields captured at known T0, ...

IComparable and IComparer sound the same and work in similar ways, but there are important differences you need to know. A common and relatively simple coding task in C# is to sort an array or List ...