diff --git a/2025.05.02/02Ex/init_f.h b/2025.05.02/02Ex/init_f.h
index ee5e8e8..ec834a8 100644
--- a/2025.05.02/02Ex/init_f.h
+++ b/2025.05.02/02Ex/init_f.h
@@ -1,13 +1,28 @@
 #ifndef INIT_F_H
 #define INIT_F_H
 
-int get_call_count (void); 
+int get_call_function_count (void);
+int get_call_derivative_count (void);
+
 double f0 (double x);
+double d0 (double x);
+
 double f1 (double x);
+double d1 (double x);
+
 double f2 (double x);
+double d2 (double x);
+
 double f3 (double x);
+double d3 (double x);
+
 double f4 (double x);
+double d4 (double x);
+
 double f5 (double x);
+double d5 (double x);
+
 double f6 (double x);
+double d6 (double x);
 
 #endif
diff --git a/2025.05.02/07Ex/solve.c b/2025.05.02/07Ex/solve.c
index e7b1e6b..20400b4 100644
--- a/2025.05.02/07Ex/solve.c
+++ b/2025.05.02/07Ex/solve.c
@@ -19,6 +19,8 @@ int t7_solve (
 			x_0 = y;
 			break;
 		}
+		
+		x_0 = y;
 	}
 
 	if (it > m)
diff --git a/2025.05.02/dist/Krivoruchenko_SK/comp.h b/2025.05.02/dist/Krivoruchenko_SK/comp.h
index 6b09d43..2bda00e 100644
--- a/2025.05.02/dist/Krivoruchenko_SK/comp.h
+++ b/2025.05.02/dist/Krivoruchenko_SK/comp.h
@@ -33,7 +33,7 @@ static inline double * fp_abs_max (double *pa, double *pb, double *fa, double *f
 static inline int is_equal (const double a, const double b)
 {
 	double diff = a - b;
-	double max_val = (a > b) ? a : b;
+	double max_val = fabs((a > b) ? a : b);
 	return ((diff < 0) ? -diff : diff) < (DBL_EPSILON * max_val);
 }
 
diff --git a/2025.05.02/tests/last_test.sh b/2025.05.02/tests/last_test.sh
new file mode 100755
index 0000000..52b297a
--- /dev/null
+++ b/2025.05.02/tests/last_test.sh
@@ -0,0 +1,50 @@
+script_name="$(basename "$0")"
+
+iter="1000"
+eps="1e-14"
+
+if [ "$#" -ne 1 ]; then
+	echo "Не указан как параметр номер программы"
+	exit 1
+fi
+
+num=$(printf "%02d" "$1")
+prog="a$num.out"
+
+mkdir -p tests
+
+if [ -f Makefile ]; then
+	echo "Компиляция..."
+	make clean
+	make
+fi
+
+if [ ! -f $prog ]; then
+	echo "Отсутствует исполняемый файл... [$prog]"
+	echo "Завершение..."
+	exit 2
+fi
+
+outlog="$(pwd)/tests/out_a${num}_$script_name.log"
+errlog="$(pwd)/tests/err_a${num}_$script_name.log"
+
+rm -f "$outlog" "$errlog"
+
+echo "Тест запущен..."
+
+i=2
+
+for (( k = 0 ; k < 7; k++ )); do 
+	for (( a = -100 ; a < 100 ; a++ )); do 
+		x="$(echo "$a / 10" | bc -l)"
+		cmd="./$prog $x $eps $iter $k"
+		echo "$cmd"
+		echo "$i $(eval "$cmd")"
+		((i+=2))
+	done
+done >$outlog 2>$errlog
+
+echo "Тест записан в $outlog"
+echo "Ошибки записаны в $errlog"
+echo "Тест завершен"
+