Math.xml samples -- updating for Try .NET

[WilliamAntonRohm]

docs PR is dotnet/dotnet-api-docs#3731

[Youssef1313]

You may check if there are other places where string interpolation can be used.

Suggested change

	Console.WriteLine("Abs({0}) = {1}", value, Math.Abs(value));
	Console.WriteLine($"Abs({value}) = {Math.Abs(value)}");

[BillWagner]

This set of changes is optional, but highly recommended.

[WilliamAntonRohm]

This instance is fixed -- looking for others now.

[WilliamAntonRohm]

@BillWagner, @Youssef1313 -- there are 13 more such constructs in this set of example files; working on them.

[BillWagner]

Thanks for doing all this work @WilliamAntonRohm

I've added a couple comments that we should address before merging this one.

[BillWagner]

This set of changes is optional, but highly recommended.

[WilliamAntonRohm]

(not sure why GitHub started a review on my behalf)

[WilliamAntonRohm]

@BillWagner, @Youssef1313 -- I've updated 11 of the 13 remaining occurrences. Those two seem simpler as-is:

max.cs

string str = "{0}: The greater of {1,3} and {2,3} is {3}.";
...
Console.WriteLine(str, "Byte   ", xByte1, xByte2, Math.Max(xByte1, xByte2));
Console.WriteLine(str, "Int16  ", xShort1, xShort2, Math.Max(xShort1, xShort2));
Console.WriteLine(str, "Int32  ", xInt1, xInt2, Math.Max(xInt1, xInt2));
...

min.cs likewise.