diff --git a/src/CalcManager/CalculatorManager.cpp b/src/CalcManager/CalculatorManager.cpp
index 8f2d060d..3aa185dd 100644
--- a/src/CalcManager/CalculatorManager.cpp
+++ b/src/CalcManager/CalculatorManager.cpp
@@ -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()))