diff --git a/src/System/src/CalculatorWindow.java b/src/System/code/CalculatorWindow.java
similarity index 100%
rename from src/System/src/CalculatorWindow.java
rename to src/System/code/CalculatorWindow.java
diff --git a/src/System/src/Computer.java b/src/System/code/Computer.java
similarity index 100%
rename from src/System/src/Computer.java
rename to src/System/code/Computer.java
diff --git a/src/System/src/Fu.java b/src/System/code/Fu.java
similarity index 100%
rename from src/System/src/Fu.java
rename to src/System/code/Fu.java
diff --git a/src/System/src/HandleBack.java b/src/System/code/HandleBack.java
similarity index 100%
rename from src/System/src/HandleBack.java
rename to src/System/code/HandleBack.java
diff --git a/src/System/src/HandleClear.java b/src/System/code/HandleClear.java
similarity index 100%
rename from src/System/src/HandleClear.java
rename to src/System/code/HandleClear.java
diff --git a/src/System/src/HandleDight.java b/src/System/code/HandleDight.java
similarity index 100%
rename from src/System/src/HandleDight.java
rename to src/System/code/HandleDight.java
diff --git a/src/System/src/HandleEquation.java b/src/System/code/HandleEquation.java
similarity index 100%
rename from src/System/src/HandleEquation.java
rename to src/System/code/HandleEquation.java
diff --git a/src/System/src/HandleEvent.java b/src/System/code/HandleEvent.java
similarity index 100%
rename from src/System/src/HandleEvent.java
rename to src/System/code/HandleEvent.java
diff --git a/src/System/src/HandleFile.java b/src/System/code/HandleFile.java
similarity index 100%
rename from src/System/src/HandleFile.java
rename to src/System/code/HandleFile.java
diff --git a/src/System/src/HandleFu.java b/src/System/code/HandleFu.java
similarity index 100%
rename from src/System/src/HandleFu.java
rename to src/System/code/HandleFu.java
diff --git a/src/System/src/HandleOperator.java b/src/System/code/HandleOperator.java
similarity index 100%
rename from src/System/src/HandleOperator.java
rename to src/System/code/HandleOperator.java
diff --git a/src/System/src/HandleReciprocal.java b/src/System/code/HandleReciprocal.java
similarity index 100%
rename from src/System/src/HandleReciprocal.java
rename to src/System/code/HandleReciprocal.java
diff --git a/src/System/src/HandleSqrt.java b/src/System/code/HandleSqrt.java
similarity index 100%
rename from src/System/src/HandleSqrt.java
rename to src/System/code/HandleSqrt.java
diff --git a/src/System/src/MathComputer.java b/src/System/code/MathComputer.java
similarity index 100%
rename from src/System/src/MathComputer.java
rename to src/System/code/MathComputer.java
diff --git a/src/System/src/Reciprocal.java b/src/System/code/Reciprocal.java
similarity index 100%
rename from src/System/src/Reciprocal.java
rename to src/System/code/Reciprocal.java
diff --git a/src/System/src/Sqrt.java b/src/System/code/Sqrt.java
similarity index 100%
rename from src/System/src/Sqrt.java
rename to src/System/code/Sqrt.java
diff --git a/src/System/src/test.java b/src/System/code/test.java
similarity index 100%
rename from src/System/src/test.java
rename to src/System/code/test.java