diff --git a/a1/program.c b/a1/program.c
index 1a3224c..9f3b8f0 100644
--- a/a1/program.c
+++ b/a1/program.c
@@ -136,12 +136,13 @@ int analizing_string(char* pointer){
     number2 = round(number2 *100) / 100;
     result3 = round(result3 *100) / 100;
 
+//    printf("number1 = %s, number2 = %s, result3 = %s\n", first_number, second_number, result_nubmer);
+  //  printf("number1 = %f, number2 = %f, result3 = %f\n", number1, number2, result3);
 
-
-    if(operant=='+' &&result3==number1+number2){
+    if(operant=='+' &&result3==round((number1+number2) * 100) / 100){
         return 1;
     }
-    if(operant=='-'&&(result3==number1-number2)){
+    if(operant=='-'&&(result3==round((number1-number2) * 100) / 100)){
         return 1;
     }
     if(operant=='*'&&(result3==round((number1*number2) * 100) / 100)){
@@ -177,4 +178,12 @@ int copy_number(char number[], char *pointer, int i) {
     return i;
 }
 
+/*int is_number_question_mark(char *pointer){
+    for(int i=0; pointer[i]!='\0'; i++){
+       if (!isdigit(pointer[i])&&pointer[i]!='.'&&pointer[i]!=',') {
+            return 0;
+        }
+    }
+    return 1;
+}*/