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