diff --git a/docs/ManualTests.md b/docs/ManualTests.md
index 6fbc671..a1d9de5 100644
--- a/docs/ManualTests.md
+++ b/docs/ManualTests.md
@@ -124,7 +124,7 @@ Steps:
     m.	“( )" Parenthesis
 
 
-**All Calulators Test: Verify memory functions**
+**All Calculators Test: Verify memory functions**
 Steps:
 1.	Launch the "Calculator" app.
 2.	Navigate to "Standard" Calculator.
diff --git a/internal/Calculator.UIAutomationLibrary/CalculatorAppLauncher.cs b/internal/Calculator.UIAutomationLibrary/CalculatorAppLauncher.cs
index b90c984..df2ad9c 100644
--- a/internal/Calculator.UIAutomationLibrary/CalculatorAppLauncher.cs
+++ b/internal/Calculator.UIAutomationLibrary/CalculatorAppLauncher.cs
@@ -20,7 +20,7 @@ public static class CalculatorAppLauncher
     {
         public const string CoreWindowClassName = "Windows.UI.Core.CoreWindow";
 
-        // This doesn't actually work right now becaue popup will disappear
+        // This doesn't actually work right now because popup will disappear
         // Bug 13713223: ContentDialog/Popup does not show up in the UIA tree when Windows.Current.Content has an AutomationName set.
         // public static readonly UICondition TopLevelWindowUICondition = UICondition.CreateFromId(Constants.TopLevelWindowAutomationId);
         public static readonly UICondition CoreWindowUICondition = UICondition.CreateFromClassName(CoreWindowClassName)
diff --git a/internal/Calculator.UIAutomationLibrary/Utilities/PerfTestConstants.cs b/internal/Calculator.UIAutomationLibrary/Utilities/PerfTestConstants.cs
index ae329b7..02c0206 100644
--- a/internal/Calculator.UIAutomationLibrary/Utilities/PerfTestConstants.cs
+++ b/internal/Calculator.UIAutomationLibrary/Utilities/PerfTestConstants.cs
@@ -36,6 +36,6 @@ public class PerfConstants
         /// <summary>
         /// These are uses with the DataSource test property to specify iteration info.
         /// </summary>
-        public const string AppLifecycleInterationsSource = "Table:" + ConfigDirectory + "AppLifecycle.Iterations.xml#PerformanceConfigurations";
+        public const string AppLifecycleIterationsSource = "Table:" + ConfigDirectory + "AppLifecycle.Iterations.xml#PerformanceConfigurations";
     }
 }
diff --git a/internal/Calculator.UITests/Config/AppLifecycle.Iterations.xml b/internal/Calculator.UITests/Config/AppLifecycle.Iterations.xml
index 91a96bc..65cec85 100644
--- a/internal/Calculator.UITests/Config/AppLifecycle.Iterations.xml
+++ b/internal/Calculator.UITests/Config/AppLifecycle.Iterations.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 
 <!--
-This file defines a table of preformance configuration for use with
+This file defines a table of performance configuration for use with
 TAEF Table Based Data-driven Testing.
 
 This table specifies we will run the test three times (each iteration has a 
diff --git a/internal/Calculator.UITests/Config/AppLifecycle.Profile.wprp b/internal/Calculator.UITests/Config/AppLifecycle.Profile.wprp
index 651b7c6..6fe8afd 100644
--- a/internal/Calculator.UITests/Config/AppLifecycle.Profile.wprp
+++ b/internal/Calculator.UITests/Config/AppLifecycle.Profile.wprp
@@ -64,7 +64,7 @@
             <Buffers Value="15" />
         </EventCollector>
 
-        <EventCollector Id="EC_Responsiveness.HighCost.Verbose" Name="User Session Logger Higcost Verbose">
+        <EventCollector Id="EC_Responsiveness.HighCost.Verbose" Name="User Session Logger HighCost Verbose">
             <BufferSize Value="1024" />
             <Buffers Value="3" PercentageOfTotalMemory="true" MaximumBufferSpace="60" />
         </EventCollector>
diff --git a/internal/Calculator.UITests/Tests/AppLifecycleTests.cs b/internal/Calculator.UITests/Tests/AppLifecycleTests.cs
index e299004..2b34625 100644
--- a/internal/Calculator.UITests/Tests/AppLifecycleTests.cs
+++ b/internal/Calculator.UITests/Tests/AppLifecycleTests.cs
@@ -34,7 +34,7 @@ public void MethodCleanup()
         /// The test launches the application, suspend and resumes it and then terminates the app.
         /// 
         /// A TAEF data source is used to specify the Windows Performance Recorder profile and
-        /// regions of interest file to use and defines threee different configurations to execute this test with.
+        /// regions of interest file to use and defines three different configurations to execute this test with.
         /// Cold: The initial run to get dlls loaded into memory and to execute any first-run app logic.
         /// Warm: The run that will produce consistent results and that would be used for measures.
         /// Memory: A run that is focused on collecting more info on allocations.
@@ -42,7 +42,7 @@ public void MethodCleanup()
         [TestMethod]
         [TestProperty("RunAs", "User")]
         [TestProperty("Category", "Performance")]
-        [TestProperty(WinperfConstants.DataSource, PerfConstants.AppLifecycleInterationsSource)]
+        [TestProperty(WinperfConstants.DataSource, PerfConstants.AppLifecycleIterationsSource)]
         public void AppLifecycleTest()
         {
             AppLifecycle.Run(Constants.PackageAppUserModelId);
diff --git a/src/CalcManager/CEngine/History.cpp b/src/CalcManager/CEngine/History.cpp
index 3520b97..fe14425 100644
--- a/src/CalcManager/CEngine/History.cpp
+++ b/src/CalcManager/CEngine/History.cpp
@@ -136,7 +136,7 @@ void CHistoryCollector::ChangeLastBinOp(int nOpCode, bool fPrecInvToHigher)
     TruncateEquationSzFromIch(m_lastBinOpStartIndex);
     if (fPrecInvToHigher)
     {
-        EnclosePrecInvertionBrackets();
+        EnclosePrecInversionBrackets();
     }
     AddBinOpToHistory(nOpCode);
 }
@@ -180,7 +180,7 @@ void CHistoryCollector::AddCloseBraceToHistory()
     m_bLastOpndBrace = true;
 }
 
-void CHistoryCollector::EnclosePrecInvertionBrackets()
+void CHistoryCollector::EnclosePrecInversionBrackets()
 {
     // Top of the Opnd starts index or 0 is nothing is in top
     int ichStart = (m_curOperandIndex > 0) ? m_operandIndices[m_curOperandIndex - 1] : 0;
@@ -401,9 +401,9 @@ int CHistoryCollector::AddCommand(_In_ const std::shared_ptr<IExpressionCommand>
         throw(CALC_E_OUTOFMEMORY);
     }
 
-    unsigned int nCommmands = 0;
-    m_spCommands->GetSize(&nCommmands);
-    return nCommmands - 1;
+    unsigned int nCommands = 0;
+    m_spCommands->GetSize(&nCommands);
+    return nCommands - 1;
 }
 
 //To Update the operands in the Expression according to the current Radix 
diff --git a/src/CalcManager/CEngine/scicomm.cpp b/src/CalcManager/CEngine/scicomm.cpp
index 71bec08..f639c70 100644
--- a/src/CalcManager/CEngine/scicomm.cpp
+++ b/src/CalcManager/CEngine/scicomm.cpp
@@ -271,7 +271,7 @@ void CCalcEngine::ProcessCommandWorker(WPARAM wParam)
                     // 1 + (2 Or 3)
                     if (ni <= nx)
                     {
-                        m_HistoryCollector.EnclosePrecInvertionBrackets();
+                        m_HistoryCollector.EnclosePrecInversionBrackets();
                     }
                     m_HistoryCollector.PopLastOpndStart();
                     goto DoPrecedenceCheckAgain;
@@ -507,7 +507,7 @@ void CCalcEngine::ProcessCommandWorker(WPARAM wParam)
             nx = NPrecedenceOfOp(m_nOpCode);
             if (ni <= nx)
             {
-                m_HistoryCollector.EnclosePrecInvertionBrackets();
+                m_HistoryCollector.EnclosePrecInversionBrackets();
             }
             m_HistoryCollector.PopLastOpndStart();
 
@@ -600,7 +600,7 @@ void CCalcEngine::ProcessCommandWorker(WPARAM wParam)
                 nx = NPrecedenceOfOp(m_nOpCode);
                 if (ni <= nx)
                 {
-                    m_HistoryCollector.EnclosePrecInvertionBrackets();
+                    m_HistoryCollector.EnclosePrecInversionBrackets();
                 }
                 m_HistoryCollector.PopLastOpndStart();
 
diff --git a/src/CalcManager/CalculatorManager.cpp b/src/CalcManager/CalculatorManager.cpp
index 1d62e01..3aa185d 100644
--- a/src/CalcManager/CalculatorManager.cpp
+++ b/src/CalcManager/CalculatorManager.cpp
@@ -98,7 +98,7 @@ namespace CalculationManager
     }
 
     /// <summary>
-    /// Callback from the CalculatorControll
+    /// Callback from the CalculatorControl
     /// Passed in string representations of memorized numbers get passed to the client
     /// </summary>
     /// <param name="memorizedNumber">vector containing wstring values of memorized numbers</param>
@@ -429,7 +429,7 @@ namespace CalculationManager
                 *commandItr <= MEMORY_COMMAND_TO_UNSIGNED_CHAR(MemoryCommand::MemorizedNumberClearAll))
             {
                 //MemoryCommands(which have values above 255) are pushed on m_savedCommands upon casting to unsigned char.
-                //SerializeCommands uses m_savedCommands, which is then used in DeSerializeCommnds.
+                //SerializeCommands uses m_savedCommands, which is then used in DeSerializeCommands.
                 //Hence, a simple cast to MemoryCommand is not sufficient.
                 MemoryCommand memoryCommand = static_cast<MemoryCommand>(*commandItr + UCHAR_MAX + 1);
                 unsigned int indexOfMemory = 0;
@@ -505,7 +505,7 @@ namespace CalculationManager
     /// Recall the memorized number.
     /// The memorized number gets loaded to the primary display
     /// </summary>
-    /// <param name="indexOfMemeory">Index of the target memory</param>
+    /// <param name="indexOfMemory">Index of the target memory</param>
     void CalculatorManager::MemorizedNumberLoad(_In_ unsigned int indexOfMemory)
     {
         SaveMemoryCommand(MemoryCommand::MemorizedNumberLoad, indexOfMemory);
@@ -521,7 +521,7 @@ namespace CalculationManager
     /// It adds primary display value to the selected memory
     /// Notify the client with new the new memorize value vector
     /// </summary>
-    /// <param name="indexOfMemeory">Index of the target memory</param>
+    /// <param name="indexOfMemory">Index of the target memory</param>
     void CalculatorManager::MemorizedNumberAdd(_In_ unsigned int indexOfMemory)
     {
         SaveMemoryCommand(MemoryCommand::MemorizedNumberAdd, indexOfMemory);
@@ -559,7 +559,7 @@ namespace CalculationManager
     /// It adds primary display value to the selected memory
     /// Notify the client with new the new memorize value vector
     /// </summary>
-    /// <param name="indexOfMemeory">Index of the target memory</param>
+    /// <param name="indexOfMemory">Index of the target memory</param>
     void CalculatorManager::MemorizedNumberSubtract(_In_ unsigned int indexOfMemory)
     {
         SaveMemoryCommand(MemoryCommand::MemorizedNumberSubtract, indexOfMemory);
@@ -603,7 +603,7 @@ namespace CalculationManager
 /// Helper function that selects a memory from the vector and set it to CCalcEngine
 /// Saved RAT number needs to be copied and passed in, as CCalcEngine destroyed the passed in RAT
 /// </summary>
-/// <param name="indexOfMemeory">Index of the target memory</param>
+/// <param name="indexOfMemory">Index of the target memory</param>
     void CalculatorManager::MemorizedNumberSelect(_In_ unsigned int indexOfMemory)
     {
         if (!(m_currentCalculatorEngine->FInErrorState()))
@@ -617,7 +617,7 @@ namespace CalculationManager
     /// Helper function that needs to be executed when memory is modified
     /// When memory is modified, destroy the old RAT and put the new RAT in vector
     /// </summary>
-    /// <param name="indexOfMemeory">Index of the target memory</param>
+    /// <param name="indexOfMemory">Index of the target memory</param>
     void CalculatorManager::MemorizedNumberChanged(_In_ unsigned int indexOfMemory)
     {
         if (!(m_currentCalculatorEngine->FInErrorState()))
diff --git a/src/CalcManager/Header Files/History.h b/src/CalcManager/Header Files/History.h
index 39be04e..c8f418c 100644
--- a/src/CalcManager/Header Files/History.h	
+++ b/src/CalcManager/Header Files/History.h	
@@ -26,7 +26,7 @@ public:
     void AddCloseBraceToHistory();
     void PushLastOpndStart(int ichOpndStart = -1);
     void PopLastOpndStart();
-    void EnclosePrecInvertionBrackets();
+    void EnclosePrecInversionBrackets();
     bool FOpndAddedToHistory();
     void CompleteHistoryLine(std::wstring_view numStr);
     void ClearHistoryLine(std::wstring_view errStr);
diff --git a/src/CalcManager/Ratpack/rat.cpp b/src/CalcManager/Ratpack/rat.cpp
index 11668b7..20751fe 100644
--- a/src/CalcManager/Ratpack/rat.cpp
+++ b/src/CalcManager/Ratpack/rat.cpp
@@ -183,7 +183,7 @@ void divrat( PRAT *pa, PRAT b, int32_t precision)
 //    RETURN: None, changes first pointer.
 //
 //    DESCRIPTION: Does the rational equivalent of *pa += b.
-//    Assumes base is internal througought.
+//    Assumes base is internal throughout.
 //
 //-----------------------------------------------------------------------------
 
@@ -204,7 +204,7 @@ void subrat( PRAT *pa, PRAT b, int32_t precision)
 //    RETURN: None, changes first pointer.
 //
 //    DESCRIPTION: Does the rational equivalent of *pa += b.
-//    Assumes base is internal througought.
+//    Assumes base is internal throughout.
 //
 //-----------------------------------------------------------------------------
 
diff --git a/src/CalcViewModel/Common/AlwaysSelectedCollectionView.h b/src/CalcViewModel/Common/AlwaysSelectedCollectionView.h
index 2174fdf..40dd5cf 100644
--- a/src/CalcViewModel/Common/AlwaysSelectedCollectionView.h
+++ b/src/CalcViewModel/Common/AlwaysSelectedCollectionView.h
@@ -275,7 +275,7 @@ namespace CalculatorApp { namespace Common
             return Windows::UI::Xaml::DependencyProperty::UnsetValue;  // Can't convert
         }
 
-        virtual Platform::Object^ ConverBack(
+        virtual Platform::Object^ ConvertBack(
             Platform::Object^ /*value*/, 
             Windows::UI::Xaml::Interop::TypeName /*targetType*/, 
             Platform::Object^ /*parameter*/, 
diff --git a/src/CalcViewModel/Common/Automation/LiveRegionHost.h b/src/CalcViewModel/Common/Automation/LiveRegionHost.h
index 212b853..c80d147 100644
--- a/src/CalcViewModel/Common/Automation/LiveRegionHost.h
+++ b/src/CalcViewModel/Common/Automation/LiveRegionHost.h
@@ -12,7 +12,7 @@
 namespace CalculatorApp::Common::Automation
 {
     // This class exists so that the app can run on RS2 and use LiveRegions
-    // to host notifiactions on those builds.
+    // to host notifications on those builds.
     // When the app switches to min version RS3, this class can be removed
     // and the app will switch to using the Notification API.
     // TODO - MSFT 12735088
diff --git a/src/CalcViewModel/Common/NavCategory.cpp b/src/CalcViewModel/Common/NavCategory.cpp
index 83980a1..bcfeb64 100644
--- a/src/CalcViewModel/Common/NavCategory.cpp
+++ b/src/CalcViewModel/Common/NavCategory.cpp
@@ -199,7 +199,7 @@ CategoryGroupType NavCategory::GetGroupType(ViewMode mode)
         : CategoryGroupType::None;
 }
 
-// GetIndex is 0-based, GetPostion is 1-based
+// GetIndex is 0-based, GetPosition is 1-based
 int NavCategory::GetIndex(ViewMode mode)
 {
     int position = NavCategory::GetPosition(mode);
@@ -228,7 +228,7 @@ int NavCategory::GetFlatIndex(ViewMode mode)
         : -1;
 }
 
-// GetIndex is 0-based, GetPostion is 1-based
+// GetIndex is 0-based, GetPosition is 1-based
 int NavCategory::GetIndexInGroup(ViewMode mode, CategoryGroupType type)
 {
     int index = -1;
@@ -249,7 +249,7 @@ int NavCategory::GetIndexInGroup(ViewMode mode, CategoryGroupType type)
         : -1;
 }
 
-// GetIndex is 0-based, GetPostion is 1-based
+// GetIndex is 0-based, GetPosition is 1-based
 int NavCategory::GetPosition(ViewMode mode)
 {
     int position = 0;
diff --git a/src/CalcViewModel/Common/NavCategory.h b/src/CalcViewModel/Common/NavCategory.h
index a463833..61a8dbf 100644
--- a/src/CalcViewModel/Common/NavCategory.h
+++ b/src/CalcViewModel/Common/NavCategory.h
@@ -170,7 +170,7 @@ namespace CalculatorApp
             static Platform::String^ GetNameResourceKey(ViewMode mode);
             static CategoryGroupType GetGroupType(ViewMode mode);
 
-            // GetIndex is 0-based, GetPostion is 1-based
+            // GetIndex is 0-based, GetPosition is 1-based
             static int GetIndex(ViewMode mode);
             static int GetFlatIndex(ViewMode mode);
             static int GetIndexInGroup(ViewMode mode, CategoryGroupType type);
diff --git a/src/CalcViewModel/Common/ValidatingConverters.h b/src/CalcViewModel/Common/ValidatingConverters.h
index 9da3fc1..9b99cbc 100644
--- a/src/CalcViewModel/Common/ValidatingConverters.h
+++ b/src/CalcViewModel/Common/ValidatingConverters.h
@@ -23,7 +23,7 @@ namespace CalculatorApp { namespace Common
             return value;
         }
 
-        virtual Platform::Object^ ConverBack(
+        virtual Platform::Object^ ConvertBack(
             Platform::Object^ value, 
             Windows::UI::Xaml::Interop::TypeName /*targetType*/, 
             Platform::Object^ /*parameter*/, 
@@ -56,7 +56,7 @@ namespace CalculatorApp { namespace Common
             return value;
         }
 
-        virtual Platform::Object^ ConverBack(
+        virtual Platform::Object^ ConvertBack(
             Platform::Object^ value, 
             Windows::UI::Xaml::Interop::TypeName /*targetType*/, 
             Platform::Object^ /*parameter*/, 
diff --git a/src/CalcViewModel/DataLoaders/CurrencyDataLoader.cpp b/src/CalcViewModel/DataLoaders/CurrencyDataLoader.cpp
index 434cc6f..5366f37 100644
--- a/src/CalcViewModel/DataLoaders/CurrencyDataLoader.cpp
+++ b/src/CalcViewModel/DataLoaders/CurrencyDataLoader.cpp
@@ -588,7 +588,7 @@ bool CurrencyDataLoader::TryParseAllRatiosData(_In_ String^ rawJson, _Inout_ Cur
 //
 // There are a few ways we can get the data needed for Currency Converter, including from cache or from web.
 // This function accepts the data from any source, and acts as a 'last-steps' for the converter to be ready.
-// This includes identifying which units will be selected and building the map of curreny ratios.
+// This includes identifying which units will be selected and building the map of currency ratios.
 #pragma optimize("", off) // Turn off optimizations to work around DevDiv 393321
 task<void> CurrencyDataLoader::FinalizeUnits(_In_ const vector<UCM::CurrencyStaticData>& staticData, _In_ const CurrencyRatioMap& ratioMap)
 {
diff --git a/src/CalcViewModel/DateCalculatorViewModel.cpp b/src/CalcViewModel/DateCalculatorViewModel.cpp
index e905d76..89e2688 100644
--- a/src/CalcViewModel/DateCalculatorViewModel.cpp
+++ b/src/CalcViewModel/DateCalculatorViewModel.cpp
@@ -87,7 +87,7 @@ DateCalculatorViewModel::DateCalculatorViewModel() :
     }
 
     /* In the ClipTime function, we used to change timezone to UTC before clipping the time.
-       The comment from the previous delopers said this was done to eliminate the effects of
+       The comment from the previous developers said this was done to eliminate the effects of
        Daylight Savings Time. We can't think of a good reason why this change in timezone is
        necessary and did find bugs related to the change, therefore, we have removed the
        change. Just in case, we will see if the clipped time is ever a different day from the
diff --git a/src/CalcViewModel/DateCalculatorViewModel.h b/src/CalcViewModel/DateCalculatorViewModel.h
index 1dffe51..f2fe7eb 100644
--- a/src/CalcViewModel/DateCalculatorViewModel.h
+++ b/src/CalcViewModel/DateCalculatorViewModel.h
@@ -98,7 +98,7 @@ namespace CalculatorApp
             void UpdateDisplayResult();
             void UpdateStrDateDiffResultAutomationName();
             void UpdateStrDateResultAutomationName();
-            void InitializeDateOutputFormats(Platform::String^ calendarIdentifer);
+            void InitializeDateOutputFormats(Platform::String^ calendarIdentifier);
             Platform::String^ GetDateDiffString() const;
             Platform::String^ GetDateDiffStringInDays() const;
             Platform::String^ GetLocalizedNumberString(int value) const;
diff --git a/src/CalcViewModel/UnitConverterViewModel.cpp b/src/CalcViewModel/UnitConverterViewModel.cpp
index 9360530..c5df49a 100644
--- a/src/CalcViewModel/UnitConverterViewModel.cpp
+++ b/src/CalcViewModel/UnitConverterViewModel.cpp
@@ -674,7 +674,7 @@ void UnitConverterViewModel::Deserialize(Platform::String^ state)
     RaisePropertyChanged(nullptr);  // Update since all props have been updated.
 }
 
-//Saving User Prefernces of Category and Associated-Units across Sessions. 
+//Saving User Preferences of Category and Associated-Units across Sessions. 
 void UnitConverterViewModel::SaveUserPreferences()
 {
     if (UnitsAreValid())
@@ -695,7 +695,7 @@ void UnitConverterViewModel::SaveUserPreferences()
     }
 }
 
-//Restoring User Prefernces of Category and Associated-Units.
+//Restoring User Preferences of Category and Associated-Units.
 void UnitConverterViewModel::RestoreUserPreferences()
 {
     if (!IsCurrencyCurrentCategory)
diff --git a/src/CalcViewModel/UnitConverterViewModel.h b/src/CalcViewModel/UnitConverterViewModel.h
index 6aef9dc..baabd86 100644
--- a/src/CalcViewModel/UnitConverterViewModel.h
+++ b/src/CalcViewModel/UnitConverterViewModel.h
@@ -74,7 +74,7 @@ namespace CalculatorApp
                 Platform::String^ get() { return ref new Platform::String(m_original.abbreviation.c_str()); }
             }
 
-            // This method is used to return the desired automation name for default unit in UnitConveter combo box.
+            // This method is used to return the desired automation name for default unit in UnitConverter combo box.
             Platform::String^ ToString() override
             {
                 return AccessibleName;
@@ -243,7 +243,7 @@ namespace CalculatorApp
             Platform::String^ Serialize();
             void Deserialize(Platform::String^ state);
             
-            //Saving And Restoring User Prefernces of Category and Associated-Units across Sessions.
+            //Saving And Restoring User Preferences of Category and Associated-Units across Sessions.
             void SaveUserPreferences();
             void RestoreUserPreferences();
 
@@ -333,7 +333,7 @@ namespace CalculatorApp
             std::wstring m_valueFromUnlocalized;
             std::wstring m_valueToUnlocalized;
             bool m_relocalizeStringOnSwitch;
-            // For Saving the User Preferences only if the Unit convertyer ViewModel is initialised for the first time
+            // For Saving the User Preferences only if the Unit converter ViewModel is initialised for the first time
             bool m_IsFirstTime;
 
             Platform::String^ m_localizedValueFromFormat;
diff --git a/src/Calculator/Common/AlwaysSelectedCollectionView.h b/src/Calculator/Common/AlwaysSelectedCollectionView.h
index 3f65fb7..2cc8510 100644
--- a/src/Calculator/Common/AlwaysSelectedCollectionView.h
+++ b/src/Calculator/Common/AlwaysSelectedCollectionView.h
@@ -275,7 +275,7 @@ namespace CalculatorApp { namespace Common
             return Windows::UI::Xaml::DependencyProperty::UnsetValue;  // Can't convert
         }
 
-        virtual Platform::Object^ ConverBack(
+        virtual Platform::Object^ ConvertBack(
             Platform::Object^ /*value*/, 
             Windows::UI::Xaml::Interop::TypeName /*targetType*/, 
             Platform::Object^ /*parameter*/, 
diff --git a/src/Calculator/DesignData/DesignStandardCalculatorViewModel.h b/src/Calculator/DesignData/DesignStandardCalculatorViewModel.h
index 916ff1b..ffeac25 100644
--- a/src/Calculator/DesignData/DesignStandardCalculatorViewModel.h
+++ b/src/Calculator/DesignData/DesignStandardCalculatorViewModel.h
@@ -22,7 +22,7 @@ namespace Numbers
             OBSERVABLE_PROPERTY_RW(Platform::String^, SlotValue);
         };
 
-        // This class is to be consumbed exclusively by Blend and the VS designer
+        // This class is to be consumed exclusively by Blend and the VS designer
         // with this class Blend will be able to populate the controls, the CalculationResults control for example,
         // with the hardcoded strings so whoever is working on the UI can actually see how the app would look like 
         // with semi-realistic data.
diff --git a/src/Calculator/Resources/en-GB/Resources.resw b/src/Calculator/Resources/en-GB/Resources.resw
index e89ffae..6c14824 100644
--- a/src/Calculator/Resources/en-GB/Resources.resw
+++ b/src/Calculator/Resources/en-GB/Resources.resw
@@ -2601,7 +2601,7 @@
   </data>
   <data name="xorButton.[using:CalculatorApp.Controls]CalculatorButton.AuditoryFeedback" xml:space="preserve">
     <value>x or</value>
-    <comment>Auditory feedback for Screen Reader users. Users will hear "Display is 7 x or" when the button is pressed. XOR is a mathematical operation on two binary values. Here the feedback is "x or" in order to get the correct pronounciation.</comment>
+    <comment>Auditory feedback for Screen Reader users. Users will hear "Display is 7 x or" when the button is pressed. XOR is a mathematical operation on two binary values. Here the feedback is "x or" in order to get the correct pronunciation.</comment>
   </data>
   <data name="andButton.[using:CalculatorApp.Controls]CalculatorButton.AuditoryFeedback" xml:space="preserve">
     <value>and</value>
diff --git a/src/Calculator/Resources/en-US/Resources.resw b/src/Calculator/Resources/en-US/Resources.resw
index e7383a3..ca9ee82 100644
--- a/src/Calculator/Resources/en-US/Resources.resw
+++ b/src/Calculator/Resources/en-US/Resources.resw
@@ -3085,7 +3085,7 @@
   </data>
   <data name="xorButton.[using:CalculatorApp.Controls]CalculatorButton.AuditoryFeedback" xml:space="preserve">
     <value>x or</value>
-    <comment>Auditory feedback for Screen Reader users. Users will hear "Display is 7 x or" when the button is pressed. XOR is a mathematical operation on two binary values. Here the feedback is "x or" in order to get the correct pronounciation.</comment>
+    <comment>Auditory feedback for Screen Reader users. Users will hear "Display is 7 x or" when the button is pressed. XOR is a mathematical operation on two binary values. Here the feedback is "x or" in order to get the correct pronunciation.</comment>
   </data>
   <data name="andButton.[using:CalculatorApp.Controls]CalculatorButton.AuditoryFeedback" xml:space="preserve">
     <value>and</value>
diff --git a/src/CalculatorUnitTests/CalculatorManagerTest.cpp b/src/CalculatorUnitTests/CalculatorManagerTest.cpp
index 69ff55d..78b6223 100644
--- a/src/CalculatorUnitTests/CalculatorManagerTest.cpp
+++ b/src/CalculatorUnitTests/CalculatorManagerTest.cpp
@@ -260,7 +260,7 @@ namespace CalculatorManagerTest
             VERIFY_IS_LESS_THAN(0, pCalculatorDisplay->GetMaxDigitsCalledCount());
         }
 
-        void SerialzieAndDeSerialize()
+        void SerializeAndDeSerialize()
         {
             auto serializedCommands = m_calculatorManager->SerializeCommands();
             auto serializedMemory = m_calculatorManager->GetSerializedMemory();
@@ -278,7 +278,7 @@ namespace CalculatorManagerTest
             auto savedPrimary = m_calculatorDisplayTester->GetPrimaryDisplay();
             auto savedExpression = m_calculatorDisplayTester->GetExpression();
             auto savedMemory = m_calculatorDisplayTester->GetMemorizedNumbers();
-            SerialzieAndDeSerialize();
+            SerializeAndDeSerialize();
             VERIFY_ARE_EQUAL(savedPrimary, m_calculatorDisplayTester->GetPrimaryDisplay());
             VERIFY_ARE_EQUAL(savedExpression, m_calculatorDisplayTester->GetExpression());
             auto loadedMemory = m_calculatorDisplayTester->GetMemorizedNumbers();
@@ -889,7 +889,7 @@ namespace CalculatorManagerTest
         VerifyPersistence();
     }
 
-    // 1 + 2 then serialize and deserialze 3 times
+    // 1 + 2 then serialize and deserialize 3 times
     // Check if the values are persisted correctly
     void CalculatorManagerTest::CalculatorManagerTestSerializeMultiple()
     {
@@ -915,7 +915,7 @@ namespace CalculatorManagerTest
         Command commands[] = { Command::Command1, Command::CommandDIV, Command::Command3, Command::CommandEQU, Command::CommandNULL };
         ExecuteCommands(commands);
 
-        SerialzieAndDeSerialize();
+        SerializeAndDeSerialize();
 
         Command commands2[] = { Command::CommandMUL, Command::Command3, Command::CommandEQU, Command::CommandNULL };
         ExecuteCommands(commands2);
@@ -944,7 +944,7 @@ namespace CalculatorManagerTest
         wstring primaryDisplay = pCalculatorDisplay->GetPrimaryDisplay();
         wstring expressionDisplay = pCalculatorDisplay->GetExpression();
 
-        SerialzieAndDeSerialize();
+        SerializeAndDeSerialize();
 
         vector<wstring> memorizedNumbersAfterDeSerialize = pCalculatorDisplay->GetMemorizedNumbers();
         wstring primaryDisplayAfterDeSerialize = pCalculatorDisplay->GetPrimaryDisplay();
@@ -975,7 +975,7 @@ namespace CalculatorManagerTest
         primaryDisplay = pCalculatorDisplay->GetPrimaryDisplay();
         expressionDisplay = pCalculatorDisplay->GetExpression();
 
-        SerialzieAndDeSerialize();
+        SerializeAndDeSerialize();
 
         memorizedNumbersAfterDeSerialize = pCalculatorDisplay->GetMemorizedNumbers();
         primaryDisplayAfterDeSerialize = pCalculatorDisplay->GetPrimaryDisplay();
@@ -1016,7 +1016,7 @@ namespace CalculatorManagerTest
         primaryDisplay = pCalculatorDisplay->GetPrimaryDisplay();
         expressionDisplay = pCalculatorDisplay->GetExpression();
 
-        SerialzieAndDeSerialize();
+        SerializeAndDeSerialize();
 
         memorizedNumbersAfterDeSerialize = pCalculatorDisplay->GetMemorizedNumbers();
         primaryDisplayAfterDeSerialize = pCalculatorDisplay->GetPrimaryDisplay();
diff --git a/src/CalculatorUnitTests/CopyPasteManagerTest.cpp b/src/CalculatorUnitTests/CopyPasteManagerTest.cpp
index f06c0a8..ec68158 100644
--- a/src/CalculatorUnitTests/CopyPasteManagerTest.cpp
+++ b/src/CalculatorUnitTests/CopyPasteManagerTest.cpp
@@ -439,7 +439,7 @@ namespace CalculatorUnitTests
     12. octal numbers
     13. very large number
     14. number with some escape characters in b/w like ",/. \n\r ", '"
-    15. expression involving sin, cos or other mathematic functions
+    15. expression involving sin, cos or other mathematical functions
     16. expression having more than one operator in b/w operands
     17. expression involving open and close parenthesis (, )
 
@@ -483,25 +483,25 @@ namespace CalculatorUnitTests
     void CopyPasteManagerTest::ValidateProgrammerHexPasteExpressionTest()
     {
         String^ qwordPositiveInput[] = { L"123", L"123+456", L"1,234", L"1 2 3", L"1'2'3'4", L"1_2_3_4", L"12345e-23"/*note: here is considered as E of hex*/, L"\n\r1,234\n", L"\f\n1+2\t\r\v\x85", L"\f\n1+2\t\r\v\x85", L"\n 1+\n2 ", L"e+234", L"1\"2", L"(123)+(456)", L"abcdef", L"ABab", L"ABCDF21abc41a"/*within boundary*/, L"0x1234", L"0xab12", L"0X1234", L"AB12h", L"BC34H", L"1234u", L"1234ul", L"1234ULL", L"2+2=", L"2+2=   " };
-        String^ qwordNegativeInput[] = { L"+123", L"1.23"/*floating number*/, L"1''2", L"'123", L"123'", L"1__2", L"_123", L"123_", L"-133", L"1.2e+023", L"1.2e23"/*unsigned exponent*/, L"xyz", L"ABCDEF21abc41abc7"/*outside boundary of 16 digitis*/, L"SIN(2)", L"123+-234", L"1234x", L"A0x1234", L"0xx1234", L"1234uu", L"1234ulll", L"2+2==", L"2=+2" };
+        String^ qwordNegativeInput[] = { L"+123", L"1.23"/*floating number*/, L"1''2", L"'123", L"123'", L"1__2", L"_123", L"123_", L"-133", L"1.2e+023", L"1.2e23"/*unsigned exponent*/, L"xyz", L"ABCDEF21abc41abc7"/*outside boundary of 16 digits*/, L"SIN(2)", L"123+-234", L"1234x", L"A0x1234", L"0xx1234", L"1234uu", L"1234ulll", L"2+2==", L"2=+2" };
 
         ASSERT_POSITIVE_TESTCASES(ValidateProgrammerHexQwordPasteExpression, qwordPositiveInput);
         ASSERT_NEGATIVE_TESTCASES(ValidateProgrammerHexQwordPasteExpression, qwordNegativeInput);
 
         String^ dwordPositiveInput[] = { L"123", L"123+456", L"1,234", L"1 2 3", L"1'2'3'4", L"1_2_3_4", L"12345e-23"/*note: here is considered as E of hex*/, L"\n\r1,234\n", L"\f\n1+2\t\r\v\x85", L"\n 1+\n2 ", L"e+234", L"1\"2", L"(123)+(456)", L"abcdef", L"ABab", L"ABCD123a"/*within boundary*/, L"0x1234", L"0xab12", L"0X1234", L"AB12h", L"BC34H", L"1234u", L"1234ul", L"1234ULL" };
-        String^ dwordNegativeInput[] = { L"+123", L"1.23"/*floating number*/, L"1''2", L"'123", L"123'", L"1__2", L"_123", L"123_", L"-133", L"1.2e+023", L"1.2e23"/*unsigned exponent*/, L"xyz", L"ABCD123ab"/*outside boundary of 8 digitis*/, L"SIN(2)", L"123+-234", L"1234x", L"A0x1234", L"0xx1234", L"1234uu", L"1234ulll" };
+        String^ dwordNegativeInput[] = { L"+123", L"1.23"/*floating number*/, L"1''2", L"'123", L"123'", L"1__2", L"_123", L"123_", L"-133", L"1.2e+023", L"1.2e23"/*unsigned exponent*/, L"xyz", L"ABCD123ab"/*outside boundary of 8 digits*/, L"SIN(2)", L"123+-234", L"1234x", L"A0x1234", L"0xx1234", L"1234uu", L"1234ulll" };
 
         ASSERT_POSITIVE_TESTCASES(ValidateProgrammerHexDwordPasteExpression, dwordPositiveInput);
         ASSERT_NEGATIVE_TESTCASES(ValidateProgrammerHexDwordPasteExpression, dwordNegativeInput);
 
         String^ wordPositiveInput[] = { L"123", L"13+456", L"1,34", L"12 3", L"1'2'3'4", L"1_2_3_4", L"15e-23"/*note: here is considered as E of hex*/, L"\r1", L"\n\r1,4", L"\n1,4\n", L"\f\n1+2\t\r\v", L"\n 1+\n2 ", L"e+24", L"1\"2", L"(23)+(4)", L"aef", L"ABab", L"A1a3"/*within boundary*/, L"0x1234", L"0xab12", L"0X1234", L"AB12h", L"BC34H", L"1234u", L"1234ul", L"1234ULL" };
-        String^ wordNegativeInput[] = { L"+123", L"1.23"/*floating number*/, L"1''2", L"'123", L"123'", L"1__2", L"_123", L"123_", L"-133", L"1.2e+023", L"1.2e23"/*unsigned exponent*/, L"xyz", L"A1a3b"/*outside boundary of 4 digitis*/, L"SIN(2)", L"123+-234", L"1234x", L"A0x1234", L"0xx1234", L"1234uu", L"1234ulll" };
+        String^ wordNegativeInput[] = { L"+123", L"1.23"/*floating number*/, L"1''2", L"'123", L"123'", L"1__2", L"_123", L"123_", L"-133", L"1.2e+023", L"1.2e23"/*unsigned exponent*/, L"xyz", L"A1a3b"/*outside boundary of 4 digits*/, L"SIN(2)", L"123+-234", L"1234x", L"A0x1234", L"0xx1234", L"1234uu", L"1234ulll" };
 
         ASSERT_POSITIVE_TESTCASES(ValidateProgrammerHexWordPasteExpression, wordPositiveInput);
         ASSERT_NEGATIVE_TESTCASES(ValidateProgrammerHexWordPasteExpression, wordNegativeInput);
 
         String^ bytePositiveInput[] = { L"13", L"13+6", L"1,4", L"2 3", L"1'2", L"1_2", L"5e-3"/*note: here is considered as E of hex*/, L"\r1", L"a", L"ab", L"A1"/*within boundary*/, L"0x12", L"0xab", L"0X12", L"A9h", L"B8H", L"12u", L"12ul", L"12ULL" };
-        String^ byteNegativeInput[] = { L"+3", L"1.2"/*floating number*/, L"1''2", L"'12", L"12'", L"1__2", L"_12", L"12_", L"-3", L"1.1e+02", L"1.2e3"/*unsigned exponent*/, L"xz", L"A3a"/*outside boundary of 2 digitis*/, L"SIN(2)", L"13+-23", L"12x", L"A0x1", L"0xx12", L"12uu", L"12ulll" };
+        String^ byteNegativeInput[] = { L"+3", L"1.2"/*floating number*/, L"1''2", L"'12", L"12'", L"1__2", L"_12", L"12_", L"-3", L"1.1e+02", L"1.2e3"/*unsigned exponent*/, L"xz", L"A3a"/*outside boundary of 2 digits*/, L"SIN(2)", L"13+-23", L"12x", L"A0x1", L"0xx12", L"12uu", L"12ulll" };
 
         ASSERT_POSITIVE_TESTCASES(ValidateProgrammerHexBytePasteExpression, bytePositiveInput);
         ASSERT_NEGATIVE_TESTCASES(ValidateProgrammerHexBytePasteExpression, byteNegativeInput);
diff --git a/src/CalculatorUnitTests/MultiWindowUnitTests.cpp b/src/CalculatorUnitTests/MultiWindowUnitTests.cpp
index 1581730..03faf1b 100644
--- a/src/CalculatorUnitTests/MultiWindowUnitTests.cpp
+++ b/src/CalculatorUnitTests/MultiWindowUnitTests.cpp
@@ -79,7 +79,7 @@ namespace CalculatorUnitTests
             }
         }
 
-        // Create 3 separate instances of Calulator in different modes
+        // Create 3 separate instances of Calculator in different modes
         TEST_METHOD(InitializeMultipleModeInstancesTest)
         {
             std::vector<StandardCalculatorViewModel^> viewModels(3);
@@ -584,7 +584,7 @@ namespace CalculatorUnitTests
             }
         }
 
-        // Perform calculations on 3 separate instances of Calcuator and verify that their Memory List items are maintained separately
+        // Perform calculations on 3 separate instances of Calculator and verify that their Memory List items are maintained separately
         TEST_METHOD(MultipleModesMemoryAddItemTest)
         {
             std::vector<StandardCalculatorViewModel^> viewModels(3);
diff --git a/src/CalculatorUnitTests/UnitTestApp.rd.xml b/src/CalculatorUnitTests/UnitTestApp.rd.xml
index b84bd4b..ec18129 100644
--- a/src/CalculatorUnitTests/UnitTestApp.rd.xml
+++ b/src/CalculatorUnitTests/UnitTestApp.rd.xml
@@ -12,7 +12,7 @@
     <TypeInstantiation Name="App1.AppClass" Arguments="System.Int32" Activate="Required Public" />
 
     Using the Namespace directive to apply reflection policy to all the types in a particular namespace
-    <Namespace Name="DataClasses.ViewModels" Seralize="All" />
+    <Namespace Name="DataClasses.ViewModels" Serialize="All" />
 -->
 
 <Directives xmlns="http://schemas.microsoft.com/netfx/2013/01/metadata">