diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..6abfca8
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,14 @@
+# https://github.com/BankHapoalim/calc.git
+# to run this code type make in command line and see prog file create
+CC=gcc
+CFLAGES= -c -Wall
+all: prog
+prog: calc.o helpers.o 
+	$(CC) calc.o helpers.o -lm -o prog
+calc.o: calc.c
+	$(CC) $(CFLAGES) calc.c
+helpers.o: helpers.c
+	$(CC) $(CFLAGES) helpers.c
+clean:
+	rm -rf *.o
+	
diff --git a/calc.c b/calc.c
index dca5452..4c742f4 100644
--- a/calc.c
+++ b/calc.c
@@ -33,7 +33,7 @@ static struct token* opStack;
 static int outCount;
 static double* outStack;
 
-static const int binary[] = { 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
+static const int binary[] = { 1, 1, 1, 1, 1, 1, 0, 0, 0, 0 };
 static const int precedence[] = { 0, 0, 1, 1, 1, 2, 3, 4, 4, 5 };
 static const int association[] = { 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
 
@@ -94,6 +94,10 @@ int execute(struct token temp) {
 				case '#':
 					result = pow(d1, d2);
 					break;
+				case '^':
+					result = pow(d1, d2);
+					break;
+
 			}
 		}