diff --git a/ats0002/ats0002.c b/ats0002/ats0002.c
index 57e45f6..9fcb1aa 100644
--- a/ats0002/ats0002.c
+++ b/ats0002/ats0002.c
@@ -189,7 +189,7 @@ void get_airflow_temperature(double *airflow_temperature, const air_passage_data
 {
     double min = data->min_airflow_temperature;
     double max = data->max_airflow_temperature;
-    _get_double_in_range(airflow_temperature, min, max, "Enter air temperature in C", "Incorrect air temperature. Try again.");
+    _get_double_in_range(airflow_temperature, min, max, "Enter airflow temperature in C", "Incorrect airflow temperature. Try again.");
 }
 
 void get_pressure_drop(double *pressure_drop_limit, const double *airflow, const double *airflow_pressure, double *corrected_airflow_pressure, const double *barometric_pressure, const double *airflow_temperature, const air_passage_data_t *data)
@@ -306,8 +306,7 @@ static void _get_log_interpolated_airflow_pressure_drop_limit(double *limit, con
     }
     for (uint8_t i = 0; i < data->anchors_data_size - 1; ++i)
     {
-        if (*airflow >= data->air_passage_anchors[i].airflow &&
-            *airflow <= data->air_passage_anchors[i + 1].airflow)
+        if (*airflow >= data->air_passage_anchors[i].airflow && *airflow <= data->air_passage_anchors[i + 1].airflow)
         {
             double log_x = log(*airflow);
             double log_x1 = log(data->air_passage_anchors[i].airflow);
diff --git a/heat_exchander_airflow_pressure_drop b/heat_exchander_airflow_pressure_drop
index 07bc0a8..7c35911 100755
Binary files a/heat_exchander_airflow_pressure_drop and b/heat_exchander_airflow_pressure_drop differ
diff --git a/heat_exchander_airflow_pressure_drop.c b/heat_exchander_airflow_pressure_drop.c
index b76e744..b8f14ed 100644
--- a/heat_exchander_airflow_pressure_drop.c
+++ b/heat_exchander_airflow_pressure_drop.c
@@ -6,7 +6,7 @@
 #include "ats0002/21_53_89.h"
 #include "ats0002/21_53_88.h"
 
-static const heat_exchanger_data_t heat_exchanger_data[] = {
+static const heat_exchanger_data_t _heat_exchanger_data[] = {
     {"Honeywell Heat Exchanger CMM 21-50-14", heat_exchanger_21_50_14_data, ARRAY_SIZE(heat_exchanger_21_50_14_data)},
     {"Honeywell Ram Heat Exchanger CMM 21-52-80", heat_exchanger_21_52_80_data, ARRAY_SIZE(heat_exchanger_21_52_80_data)},
     {"Honeywell NGS Heat Exchanger CMM 47-32-06", heat_exchanger_47_32_06_data, ARRAY_SIZE(heat_exchanger_47_32_06_data)},
@@ -34,15 +34,15 @@ int main(void)
                "*                                                          *\n"
                "************************************************************\n"
                "\n");
-        for (uint8_t i = 0; i < ARRAY_SIZE(heat_exchanger_data); ++i)
+        for (uint8_t i = 0; i < ARRAY_SIZE(_heat_exchanger_data); ++i)
         {
-            printf("%d. %s\n", i + 1, heat_exchanger_data[i].heat_exchanger_description);
+            printf("%d. %s\n", i + 1, _heat_exchanger_data[i].heat_exchanger_description);
         }
         printf("\n");
         uint16_t heat_exchanger_number = 0;
-        ASK_CHOICE(heat_exchanger_number, get_heat_exchanger_number, ARRAY_SIZE(heat_exchanger_data));
+        ASK_CHOICE(heat_exchanger_number, get_heat_exchanger_number, ARRAY_SIZE(_heat_exchanger_data));
         printf("\n");
-        const heat_exchanger_data_t *he = &heat_exchanger_data[heat_exchanger_number];
+        const heat_exchanger_data_t *he = &_heat_exchanger_data[heat_exchanger_number];
         for (uint8_t i = 0; i < he->heat_exchanger_type_data_size; ++i)
         {
             printf("%d. %s\n", i + 1, he->heat_exchanger_type_data[i].part_number_description);
diff --git a/heat_exchander_airflow_pressure_drop.exe b/heat_exchander_airflow_pressure_drop.exe
index 6d6de91..1e14d7e 100755
Binary files a/heat_exchander_airflow_pressure_drop.exe and b/heat_exchander_airflow_pressure_drop.exe differ