diff --git a/src/Calculator.Shared/CalcManager/CalculatorManager.Interop.cs b/src/Calculator.Shared/CalcManager/CalculatorManager.Interop.cs
index d66d1a09..a0010c12 100644
--- a/src/Calculator.Shared/CalcManager/CalculatorManager.Interop.cs
+++ b/src/Calculator.Shared/CalcManager/CalculatorManager.Interop.cs
@@ -12,88 +12,94 @@ namespace CalculationManager
 {
 	public static class NativeDispatch
 	{
-		[DllImport("CalcManager")]
+#if __IOS__
+		private const string DllPath = "__Internal"; // https://docs.microsoft.com/en-us/xamarin/ios/platform/native-interop
+#else
+		private const string DllPath = "CalcManager";
+#endif
+
+		[DllImport(DllPath)]
 		public static extern IntPtr CalculatorManager_Create(ref CalculatorManager_CreateParams parms);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern void CalculatorManager_SendCommand(IntPtr nativeManager, Command command);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern void CalculatorManager_SetRadix(IntPtr nativeManager, RADIX_TYPE iRadixType);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern void CalculatorManager_Reset(IntPtr nativeManager, bool clearMemory);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern void CalculatorManager_SetStandardMode(IntPtr nativeManager);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern void CalculatorManager_SetScientificMode(IntPtr nativeManager);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern void CalculatorManager_SetProgrammerMode(IntPtr nativeManager);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern void CalculatorManager_MemorizeNumber(IntPtr nativeManager);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern void CalculatorManager_MemorizedNumberLoad(IntPtr nativeManager, int value);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern void CalculatorManager_MemorizedNumberAdd(IntPtr nativeManager, int value);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern void CalculatorManager_MemorizedNumberSubtract(IntPtr nativeManager, int value);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern void CalculatorManager_MemorizedNumberClear(IntPtr nativeManager, int value);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern void CalculatorManager_MemorizedNumberClearAll(IntPtr nativeManager);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern bool CalculatorManager_IsEngineRecording(IntPtr nativeManager);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern void CalculatorManager_SetMemorizedNumbersString(IntPtr nativeManager);
 
-		[DllImport("CalcManager", CharSet = CharSet.Unicode)]
+		[DllImport(DllPath, CharSet = CharSet.Unicode)]
 		public static extern string CalculatorManager_GetResultForRadix(IntPtr nativeManager, int radix, int precision);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern void CalculatorManager_SetPrecision(IntPtr nativeManager, int precision);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern void CalculatorManager_UpdateMaxIntDigits(IntPtr nativeManager);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern char CalculatorManager_DecimalSeparator(IntPtr nativeManager);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern bool CalculatorManager_RemoveHistoryItem(IntPtr nativeManager, int uIdx);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern void CalculatorManager_ClearHistory(IntPtr nativeManager);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern int CalculatorManager_MaxHistorySize(IntPtr nativeManager);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern Command CalculatorManager_GetCurrentDegreeMode(IntPtr nativeManager);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern void CalculatorManager_SetInHistoryItemLoadMode(IntPtr nativeManager, bool isHistoryItemLoadMode);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern IntPtr CalculatorManager_GetHistoryItems(IntPtr nativeManager);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern IntPtr CalculatorManager_GetHistoryItemsWithMode(IntPtr nativeManager, CALCULATOR_MODE mode);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern IntPtr CalculatorManager_GetHistoryItem(IntPtr nativeManager, int uIdx);
 
-		[DllImport("CalcManager")]
+		[DllImport(DllPath)]
 		public static extern CommandType IExpressionCommand_GetCommandType(IntPtr pExpressionCommand);
 
 		public delegate IntPtr GetCEngineStringFunc(IntPtr state, IntPtr id);
diff --git a/src/Calculator.iOS/Calculator.iOS.csproj b/src/Calculator.iOS/Calculator.iOS.csproj
index f7371499..5e262fa3 100644
--- a/src/Calculator.iOS/Calculator.iOS.csproj
+++ b/src/Calculator.iOS/Calculator.iOS.csproj
@@ -25,6 +25,7 @@
     <MtouchArch>x86_64</MtouchArch>
     <MtouchLink>None</MtouchLink>
     <MtouchDebug>true</MtouchDebug>
+    <MtouchExtraArgs>-gcc_flags "-lc++ -lstdc++"</MtouchExtraArgs>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|iPhoneSimulator' ">
     <DebugType>portable</DebugType>
@@ -35,6 +36,7 @@
     <MtouchLink>None</MtouchLink>
     <MtouchArch>x86_64</MtouchArch>
     <ConsolePause>false</ConsolePause>
+    <MtouchExtraArgs>-gcc_flags "-lc++ -lstdc++"</MtouchExtraArgs>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|iPhone' ">
     <DebugSymbols>true</DebugSymbols>
@@ -49,6 +51,7 @@
     <CodesignEntitlements>Entitlements.plist</CodesignEntitlements>
     <CodesignKey>iPhone Developer</CodesignKey>
     <MtouchDebug>true</MtouchDebug>
+    <MtouchExtraArgs>-gcc_flags "-lc++ -lstdc++"</MtouchExtraArgs>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|iPhone' ">
     <DebugType>none</DebugType>
@@ -60,6 +63,7 @@
     <MtouchArch>ARM64</MtouchArch>
     <ConsolePause>false</ConsolePause>
     <CodesignKey>iPhone Developer</CodesignKey>
+    <MtouchExtraArgs>-gcc_flags "-lc++ -lstdc++"</MtouchExtraArgs>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Ad-Hoc|iPhone' ">
     <DebugType>none</DebugType>
@@ -104,6 +108,16 @@
   <ItemGroup>
     <PackageReference Include="Uno.UI" Version="1.45.0-dev.1457" />
   </ItemGroup>
+  <ItemGroup Condition=" '$(Platform)' == 'iPhoneSimulator' ">
+    <NativeReference Include="Native References/x86_64/libCalcManager.a">
+      <Kind>Static</Kind>
+    </NativeReference>
+  </ItemGroup>
+  <ItemGroup Condition=" '$(Platform)' == 'iPhone' ">
+    <NativeReference Include="Native References/arm64/libCalcManager.a">
+      <Kind>Static</Kind>
+    </NativeReference>
+  </ItemGroup>
   <Import Project="..\Calculator.Shared\Calculator.Shared.projitems" Label="Shared" Condition="Exists('..\Calculator.Shared\Calculator.Shared.projitems')" />
   <Import Project="$(MSBuildExtensionsPath)\Xamarin\iOS\Xamarin.iOS.CSharp.targets" />
 </Project>
\ No newline at end of file
diff --git a/src/Calculator.iOS/Native References/arm64/libCalcManager.a b/src/Calculator.iOS/Native References/arm64/libCalcManager.a
new file mode 100644
index 00000000..6df6d533
Binary files /dev/null and b/src/Calculator.iOS/Native References/arm64/libCalcManager.a differ
diff --git a/src/Calculator.iOS/Native References/x86_64/libCalcManager.a b/src/Calculator.iOS/Native References/x86_64/libCalcManager.a
new file mode 100644
index 00000000..1b703ede
Binary files /dev/null and b/src/Calculator.iOS/Native References/x86_64/libCalcManager.a differ