Change label

Change-Id: I58574f59790d977dfbbf9d4a133839f619cd9bc5
diff --git a/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/OperationsTest.java b/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/OperationsTest.java
index cbb081a..6036cdc 100644
--- a/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/OperationsTest.java
+++ b/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/OperationsTest.java
@@ -53,7 +53,7 @@
 		assertTrue(Operations.INSTANCE.getOperation("+") instanceof Plus);
 		assertTrue(Operations.INSTANCE.getOperation("-") instanceof Minus);
 		assertTrue(Operations.INSTANCE.getOperation("=") instanceof Equals);
-		assertTrue(Operations.INSTANCE.getOperation("x²") instanceof Square);
+		assertTrue(Operations.INSTANCE.getOperation("^2") instanceof Square);
 	}
 
 	@Test
diff --git a/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/CalculatorTest.java b/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/CalculatorTest.java
index 031d49c..9bb831e 100644
--- a/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/CalculatorTest.java
+++ b/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/CalculatorTest.java
@@ -71,7 +71,7 @@
 		Calculator calculator = new Calculator(textProvider);

 

 		calculator.handleButtonClick("2");

-		calculator.handleButtonClick("x²");

+		calculator.handleButtonClick("^2");

 

 		assertEquals("4.0", textProvider.getDisplayText());

 	}

diff --git a/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/operations/SquareTest.java b/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/operations/SquareTest.java
index 5ae112f..a7ddbcf 100644
--- a/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/operations/SquareTest.java
+++ b/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/operations/SquareTest.java
@@ -30,6 +30,6 @@
 
 	@Test
 	public void testGetName() {
-		assertEquals(op.getName(), "x²");
+		assertEquals(op.getName(), "^2");
 	}
 }
diff --git a/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/operations/Square.java b/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/operations/Square.java
index 53d45fe..1aacc85 100644
--- a/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/operations/Square.java
+++ b/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/operations/Square.java
@@ -17,7 +17,7 @@
 
 	@Override
 	public String getName() {
-		return "x²";
+		return "^2";
 	}
 
 	@Override