diff --git a/calc b/calc
deleted file mode 100755
index 023ec18..0000000
Binary files a/calc and /dev/null differ
diff --git a/calc.c b/calc.c
index 85f1466..695ea2e 100644
--- a/calc.c
+++ b/calc.c
@@ -1,32 +1,46 @@
 #include <stdio.h>
 #include "operators.h"
+#include "my_fscanf.h"
 
 int main(){
 	FILE *fp = NULL;
 	int operand1, operand2;
 	char operator = ' ';
-	int result, line = 0;
+	int line = 0;
+	double result =0;
+	
+	int (*addP) (int,int);
+	int (*minusP) (int,int);
+	int (*mulP) (int,int);
+	double (*divP) (int, int);
+
+	addP=add;
+	minusP=minus;
+	mulP=mul;
+	divP=div;
+
 
 	fp = fopen("read.txt","r");
 	if(fp!=NULL){
-		fscanf(fp, "%d", &line);
+		my_fscanf(fp, "%d", &line);
 	
-		for(int i=0; i<line; i++) {
-			fscanf(fp, "%d %c %d",&operand1, &operator, &operand2);
+		for(int i=1; i<line; i++) {
+			my_fscanf(fp, "%d %c %d",&operand1, &operator, &operand2);
 			switch(operator) {
 				case '+':
-				result = add(operand1, operator);
+				result = addP(operand1, operand2);
 				break;
 				case '-':
-				result = minus(operand1, operator);
+				result = minusP(operand1, operand2);
 				break;
 				case '*':
-				result = mul(operand1, operator);
+				result = mulP(operand1, operand2);
+				break;
 				case '/':
-				result = div(operand1, operator);
+				result = divP(operand1, operand2);
 				break;
 			}		
-			printf("%d %c %d = %d\n",
+			printf("%d %c %d = %f\n",
 				 operand1, operator, operand2, result);
 		}
 	}
diff --git a/calc.o b/calc.o
deleted file mode 100644
index e2bf1e7..0000000
Binary files a/calc.o and /dev/null differ
diff --git a/my_fscanf.c b/my_fscanf.c
new file mode 100644
index 0000000..40dcb6c
--- /dev/null
+++ b/my_fscanf.c
@@ -0,0 +1,39 @@
+#include "my_fscanf.h"
+#include <stdarg.h>
+#include <ctype.h>
+void my_fscanf(FILE *fp, const char *format, ...) {
+	va_list list;
+	va_start(list, format);
+	while(*format) {
+		if(*format == '%'){
+			format++;
+			switch(*format){
+			case 'd':{
+				int c = getc(fp);
+				double *Double=va_arg(list, double*);
+				while(isspace(c)){
+					c=getc(fp);
+				}
+				unsigned int num= 0;
+				while(isdight(c)){
+					num = num * 10 + c -'0';
+					c=getc(fp);
+				}
+				*Double = num;
+				break;
+			}
+			case 'c':{
+				char *ch = va_arg(list,char*);
+				char c=getc(fp);
+				*ch = c;
+				break;
+			}
+			case ' ':
+				break;
+			}
+		}
+		else
+			format++;
+	}
+	va_end(list);
+}
diff --git a/my_fscanf.h b/my_fscanf.h
new file mode 100644
index 0000000..d2b9307
--- /dev/null
+++ b/my_fscanf.h
@@ -0,0 +1,7 @@
+#ifndef MY_FSCANF_H
+#define MY_FSCANF_H
+#include <stdio.h>
+
+void my_fscanf(FILE *fp,const char *format, ...);
+
+#endif
diff --git a/operators.c b/operators.c
index d51cb3e..af88940 100644
--- a/operators.c
+++ b/operators.c
@@ -10,7 +10,8 @@ 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/(double)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
deleted file mode 100644
index 71b996c..0000000
Binary files a/operators.o and /dev/null differ