diff --git a/.gitignore b/.gitignore
index d88d337..310c02c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -261,3 +261,5 @@ FakesAssemblies/
 
 # Visual Studio 6 workspace options file
 *.opt
+
+.idea
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 51420ac..8c30ca6 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,6 +1,7 @@
 {
     "cSpell.words": [
         "booksum",
-        "overround"
+        "overround",
+        "Overrounds"
     ]
 }
\ No newline at end of file
diff --git a/App/App.csproj b/App/App.csproj
index 27854a7..d3ce00d 100644
--- a/App/App.csproj
+++ b/App/App.csproj
@@ -10,7 +10,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\Overround\Overround.csproj" />
+    <ProjectReference Include="..\Overrounds\Overrounds.csproj" />
   </ItemGroup>
 
 </Project>
diff --git a/App/Program.cs b/App/Program.cs
index d7448d9..24a34c4 100644
--- a/App/Program.cs
+++ b/App/Program.cs
@@ -1,4 +1,4 @@
-using Overround;
+using Overrounds;
 
 double[] fairPrices = [1 / 0.01, 1 / 0.29, 1 / 0.3, 1 / 0.4];
 double fairBooksum = Booksum.FromPrices(fairPrices);
diff --git a/Overround.Tests/AdditiveTest.cs b/Overrounds.Tests/AdditiveTest.cs
similarity index 92%
rename from Overround.Tests/AdditiveTest.cs
rename to Overrounds.Tests/AdditiveTest.cs
index 336300b..0b8c095 100644
--- a/Overround.Tests/AdditiveTest.cs
+++ b/Overrounds.Tests/AdditiveTest.cs
@@ -1,11 +1,11 @@
-namespace Overround.Tests;
+namespace Overrounds.Tests;
 
 [TestClass]
 public class AdditiveTest
 {
     private const double Delta = 1e-3;
 
-    private IOverroundMethod method = new Additive();
+    private readonly IOverroundMethod method = new Additive();
 
     [TestMethod]
     public void TestApplyNoOverround()
diff --git a/Overround.Tests/ArrayAssert.cs b/Overrounds.Tests/ArrayAssert.cs
similarity index 86%
rename from Overround.Tests/ArrayAssert.cs
rename to Overrounds.Tests/ArrayAssert.cs
index 152def1..836e879 100644
--- a/Overround.Tests/ArrayAssert.cs
+++ b/Overrounds.Tests/ArrayAssert.cs
@@ -1,6 +1,6 @@
-namespace Overround.Tests;
+namespace Overrounds.Tests;
 
-class ArrayAssert
+static class ArrayAssert
 {
     internal static void AreEqual(double[] expected, double[] actual, double delta)
     {
diff --git a/Overround.Tests/BooksumTest.cs b/Overrounds.Tests/BooksumTest.cs
similarity index 89%
rename from Overround.Tests/BooksumTest.cs
rename to Overrounds.Tests/BooksumTest.cs
index 7d2afe9..5f0472f 100644
--- a/Overround.Tests/BooksumTest.cs
+++ b/Overrounds.Tests/BooksumTest.cs
@@ -1,4 +1,4 @@
-namespace Overround.Tests;
+namespace Overrounds.Tests;
 
 [TestClass]
 public class BooksumTest
diff --git a/Overround.Tests/GlobalUsings.cs b/Overrounds.Tests/GlobalUsings.cs
similarity index 100%
rename from Overround.Tests/GlobalUsings.cs
rename to Overrounds.Tests/GlobalUsings.cs
diff --git a/Overround.Tests/MultiplicativeTest.cs b/Overrounds.Tests/MultiplicativeTest.cs
similarity index 92%
rename from Overround.Tests/MultiplicativeTest.cs
rename to Overrounds.Tests/MultiplicativeTest.cs
index f9dbc24..efd468b 100644
--- a/Overround.Tests/MultiplicativeTest.cs
+++ b/Overrounds.Tests/MultiplicativeTest.cs
@@ -1,11 +1,11 @@
-namespace Overround.Tests;
+namespace Overrounds.Tests;
 
 [TestClass]
 public class MultiplicativeTest
 {
     private const double Delta = 1e-3;
 
-    private IOverroundMethod method = new Multiplicative();
+    private readonly IOverroundMethod method = new Multiplicative();
 
     [TestMethod]
     public void TestApplyNoOverround()
diff --git a/Overround.Tests/OddsRatioTest.cs b/Overrounds.Tests/OddsRatioTest.cs
similarity index 92%
rename from Overround.Tests/OddsRatioTest.cs
rename to Overrounds.Tests/OddsRatioTest.cs
index d171438..0a9e560 100644
--- a/Overround.Tests/OddsRatioTest.cs
+++ b/Overrounds.Tests/OddsRatioTest.cs
@@ -1,11 +1,11 @@
-namespace Overround.Tests;
+namespace Overrounds.Tests;
 
 [TestClass]
 public class OddsRatioTest
 {
     private const double Delta = 1e-3;
 
-    private IOverroundMethod method = new OddsRatio();
+    private readonly IOverroundMethod method = new OddsRatio();
 
     [TestMethod]
     public void TestApplyNoOverround()
diff --git a/Overround.Tests/Overround.Tests.csproj b/Overrounds.Tests/Overrounds.Tests.csproj
similarity index 84%
rename from Overround.Tests/Overround.Tests.csproj
rename to Overrounds.Tests/Overrounds.Tests.csproj
index 950d6aa..c68a355 100644
--- a/Overround.Tests/Overround.Tests.csproj
+++ b/Overrounds.Tests/Overrounds.Tests.csproj
@@ -9,6 +9,7 @@
     <IsTestProject>true</IsTestProject>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <GenerateTargetFrameworkAttribute>false</GenerateTargetFrameworkAttribute>
+    <RootNamespace>Overround.Tests</RootNamespace>
   </PropertyGroup>
 
   <ItemGroup>
@@ -19,7 +20,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\Overround\Overround.csproj" />
+    <ProjectReference Include="..\Overrounds\Overrounds.csproj" />
   </ItemGroup>
 
 </Project>
diff --git a/Overround.Tests/PowerTest.cs b/Overrounds.Tests/PowerTest.cs
similarity index 92%
rename from Overround.Tests/PowerTest.cs
rename to Overrounds.Tests/PowerTest.cs
index 72a0f1f..f23b98e 100644
--- a/Overround.Tests/PowerTest.cs
+++ b/Overrounds.Tests/PowerTest.cs
@@ -1,11 +1,11 @@
-namespace Overround.Tests;
+namespace Overrounds.Tests;
 
 [TestClass]
 public class PowerTest
 {
     private const double Delta = 1e-3;
 
-    private IOverroundMethod method = new Power();
+    private readonly IOverroundMethod method = new Power();
 
     [TestMethod]
     public void TestApplyNoOverround()
diff --git a/Overround.Tests/SolverTest.cs b/Overrounds.Tests/SolverTest.cs
similarity index 95%
rename from Overround.Tests/SolverTest.cs
rename to Overrounds.Tests/SolverTest.cs
index 820673b..8d23636 100644
--- a/Overround.Tests/SolverTest.cs
+++ b/Overrounds.Tests/SolverTest.cs
@@ -1,4 +1,4 @@
-namespace Overround.Tests;
+namespace Overrounds.Tests;
 
 [TestClass]
 public class SolverTest
diff --git a/Overround/Additive.cs b/Overrounds/Additive.cs
similarity index 95%
rename from Overround/Additive.cs
rename to Overrounds/Additive.cs
index 81202cd..14c38b8 100644
--- a/Overround/Additive.cs
+++ b/Overrounds/Additive.cs
@@ -1,6 +1,6 @@
 using System.Net.NetworkInformation;
 
-namespace Overround;
+namespace Overrounds;
 
 public class Additive : IOverroundMethod
 {
diff --git a/Overround/Booksum.cs b/Overrounds/Booksum.cs
similarity index 91%
rename from Overround/Booksum.cs
rename to Overrounds/Booksum.cs
index 9ea3183..4158095 100644
--- a/Overround/Booksum.cs
+++ b/Overrounds/Booksum.cs
@@ -1,4 +1,4 @@
-namespace Overround;
+namespace Overrounds;
 
 public class Booksum
 {
diff --git a/Overround/IOverroundMethod.cs b/Overrounds/IOverroundMethod.cs
similarity index 82%
rename from Overround/IOverroundMethod.cs
rename to Overrounds/IOverroundMethod.cs
index 584360f..8da398e 100644
--- a/Overround/IOverroundMethod.cs
+++ b/Overrounds/IOverroundMethod.cs
@@ -1,4 +1,4 @@
-namespace Overround;
+namespace Overrounds;
 
 public interface IOverroundMethod
 {
diff --git a/Overround/Multiplicative.cs b/Overrounds/Multiplicative.cs
similarity index 94%
rename from Overround/Multiplicative.cs
rename to Overrounds/Multiplicative.cs
index 1cbd805..970d822 100644
--- a/Overround/Multiplicative.cs
+++ b/Overrounds/Multiplicative.cs
@@ -1,6 +1,6 @@
 using System.Net.NetworkInformation;
 
-namespace Overround;
+namespace Overrounds;
 
 public class Multiplicative : IOverroundMethod
 {
diff --git a/Overround/OddsRatio.cs b/Overrounds/OddsRatio.cs
similarity index 98%
rename from Overround/OddsRatio.cs
rename to Overrounds/OddsRatio.cs
index b04288f..70ec060 100644
--- a/Overround/OddsRatio.cs
+++ b/Overrounds/OddsRatio.cs
@@ -1,4 +1,4 @@
-namespace Overround;
+namespace Overrounds;
 
 public class OddsRatio : IOverroundMethod
 {
diff --git a/Overround/Overround.csproj b/Overrounds/Overrounds.csproj
similarity index 83%
rename from Overround/Overround.csproj
rename to Overrounds/Overrounds.csproj
index c8f422a..cc3ff09 100644
--- a/Overround/Overround.csproj
+++ b/Overrounds/Overrounds.csproj
@@ -5,6 +5,7 @@
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <GenerateTargetFrameworkAttribute>false</GenerateTargetFrameworkAttribute>
+    <RootNamespace>Overround</RootNamespace>
   </PropertyGroup>
 
 </Project>
diff --git a/Overround/Power.cs b/Overrounds/Power.cs
similarity index 98%
rename from Overround/Power.cs
rename to Overrounds/Power.cs
index c177f81..6d74307 100644
--- a/Overround/Power.cs
+++ b/Overrounds/Power.cs
@@ -1,4 +1,4 @@
-namespace Overround;
+namespace Overrounds;
 
 public class Power : IOverroundMethod
 {
diff --git a/Overround/Solver.cs b/Overrounds/Solver.cs
similarity index 96%
rename from Overround/Solver.cs
rename to Overrounds/Solver.cs
index e01d567..523e2cd 100644
--- a/Overround/Solver.cs
+++ b/Overrounds/Solver.cs
@@ -1,4 +1,4 @@
-namespace Overround;
+namespace Overrounds;
 
 public class Solution(double value, double error, int iterations)
 {
@@ -14,7 +14,7 @@ public override string ToString()
     }
 }
 
-public class Solver
+public static class Solver
 {
     public static Solution Solve(double initEstimate, double initStep, double errorThreshold, int maxIterations, Func<double, double> lossFunc)
     {
diff --git a/README.md b/README.md
index 109c326..bd19e8c 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ A collection of overround application methods: _Multiplicative_, _Additive_, _Po
 
 # Examples
 ```csharp
-using Overround;
+using Overrounds;
 
 double[] fairPrices = [1 / 0.1, 1 / 0.2, 1 / 0.3, 1 / 0.4];
 double fairBooksum = Booksum.FromPrices(fairPrices);
diff --git a/overround-methods.sln b/overround-methods.sln
index 4c53b44..b9b1731 100644
--- a/overround-methods.sln
+++ b/overround-methods.sln
@@ -3,11 +3,11 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.5.002.0
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Overround", "Overround\Overround.csproj", "{DEF254B1-9AB7-40EF-97E3-1181C6965539}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Overrounds", "Overrounds\Overrounds.csproj", "{DEF254B1-9AB7-40EF-97E3-1181C6965539}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "App", "App\App.csproj", "{5CC997ED-8A82-4551-8774-B595037D217F}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Overround.Tests", "Overround.Tests\Overround.Tests.csproj", "{7AF1A5D1-9FB0-4398-AFA8-3C0139D9BA5E}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Overrounds.Tests", "Overrounds.Tests\Overrounds.Tests.csproj", "{7AF1A5D1-9FB0-4398-AFA8-3C0139D9BA5E}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution