diff --git a/calc b/calc
index 023ec18..c14a955 100755
Binary files a/calc and b/calc differ
diff --git a/calc.c b/calc.c
index 85f1466..754349b 100644
--- a/calc.c
+++ b/calc.c
@@ -5,28 +5,34 @@ int main(){
 	FILE *fp = NULL;
 	int operand1, operand2;
 	char operator = ' ';
-	int result, line = 0;
+	double result = 0;
+	int line=0;
+	int (*sp1) (int,int)=add;
+	int (*sp2) (int,int)=minus;
+	int (*sp3) (int,int)=mul;
+	double (*sp4) (int,int)=div;
 
 	fp = fopen("read.txt","r");
 	if(fp!=NULL){
 		fscanf(fp, "%d", &line);
 	
-		for(int i=0; i<line; i++) {
+		for(int i=0; i<line-1; i++) {
 			fscanf(fp, "%d %c %d",&operand1, &operator, &operand2);
 			switch(operator) {
 				case '+':
-				result = add(operand1, operator);
+				result = sp1(operand1, operand2);
 				break;
 				case '-':
-				result = minus(operand1, operator);
+				result = sp2(operand1, operand2);
 				break;
 				case '*':
-				result = mul(operand1, operator);
+				result = sp3(operand1, operand2);
+				break;
 				case '/':
-				result = div(operand1, operator);
+				result = sp4(operand1, operand2);
 				break;
 			}		
-			printf("%d %c %d = %d\n",
+			printf("%d %c %d = %lf\n",
 				 operand1, operator, operand2, result);
 		}
 	}
diff --git a/calc.o b/calc.o
index e2bf1e7..b636520 100644
Binary files a/calc.o and b/calc.o differ
diff --git a/operators.c b/operators.c
index d51cb3e..d39d0db 100644
--- a/operators.c
+++ b/operators.c
@@ -10,7 +10,7 @@ int mul(int op1, int op2) {
 	return op1*op2;
 }
 
-int div(int op1, int op2) {
-	return op1%op2;
+double div(int op1, int op2) {
+	return (double)op1/op2;
 }
 
diff --git a/operators.h b/operators.h
index bd08f7d..e16bf60 100644
--- a/operators.h
+++ b/operators.h
@@ -1,4 +1,4 @@
 int add(int op1, int op2);
 int mul(int op1, int op2);
-int div(int op1, int op2);
+double div(int op1, int op2);
 int minus(int op1, int op2);
diff --git a/operators.o b/operators.o
index 71b996c..9ce07fd 100644
Binary files a/operators.o and b/operators.o differ