diff --git a/histogram.cpp b/histogram.cpp
new file mode 100644
index 0000000..4af7bee
--- /dev/null
+++ b/histogram.cpp
@@ -0,0 +1,62 @@
+#include <vector>
+#include "histogram.h"
+using namespace std;
+
+vector<size_t> make_histogram(const vector<double>& numbers, size_t bin_count) {
+
+    vector<size_t> bins(bin_count);
+    vector<size_t> binss(bin_count);
+
+    double max, min;
+    find_minmax(numbers, min, max);
+    double bin_size = (max / min) / bin_count;
+
+    for (size_t i = 0; i < numbers.size(); i++) {
+        bool found = false;
+        for (size_t j = 0; (j < bin_count - 1) && !found; j++) {
+            auto lo = min + j * bin_size;
+            auto hi = min + (j + 1) * bin_size;
+            if ((lo <= numbers[i]) && (numbers[i] < hi)) {
+                bins[j]++;
+                found = true;
+            }
+        }
+        if (!found) {
+            bins[bin_count - 1]++;
+        }
+    }
+
+    int max_count = bins[0];
+    for (size_t i = 0; i < bin_count; i++) {
+        if (bins[i] > max_count) {
+            max_count = bins[i];
+        }
+    }
+
+    if (max_count > 76) {
+
+        for (size_t i = 0; i < bin_count; i++) {
+            int count = bins[i];
+            size_t height = 76 * (static_cast<double>(count) / max_count);
+            bins[i] = height;
+        }
+    }
+    return bins;
+}
+
+void find_minmax(const vector<double>& numbers, double& min, double& max) {
+    min = numbers[0];
+    for (auto i = 0; i < numbers.size(); i++) {
+        if (numbers[i] < min) {
+            min = numbers[i];
+        }
+    }
+
+    max = numbers[0];
+    for (auto i = 0; i < numbers.size(); i++) {
+        if (numbers[i] > max) {
+            max = numbers[i];
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/histogram.h b/histogram.h
new file mode 100644
index 0000000..63346a6
--- /dev/null
+++ b/histogram.h
@@ -0,0 +1,7 @@
+#pragma once
+
+#include <vector>
+
+std::vector<size_t>
+make_histogram(const std::vector<double>& numbers, size_t bin_count);
+void find_minmax(const  std::vector<double>& numbers, double& min, double& max);
\ No newline at end of file
diff --git a/lab1.cpp b/lab1.cpp
index ab16275..cb54131 100644
--- a/lab1.cpp
+++ b/lab1.cpp
@@ -4,6 +4,8 @@
 #include <iostream>
 #include <vector>
 #include <cmath>
+#include "histogram.h"
+#include "text.h"
 
 using namespace std;
 
@@ -30,81 +32,7 @@ input_data() {
     return in;
 }
 
-void find_minmax(const vector<double>& numbers, double& min, double& max) {
-    min = numbers[0];
-    for (auto i = 0; i < numbers.size(); i++) {
-        if (numbers[i] < min) {
-            min = numbers[i];
-        }
-    }
-
-    max = numbers[0];
-    for (auto i = 0; i < numbers.size(); i++) {
-        if (numbers[i] > max) {
-            max = numbers[i];
-        }
-    }
-
-}
-
-vector<size_t> make_histogram(const vector<double>& numbers, size_t bin_count) {
-
-    vector<size_t> bins(bin_count);
-    vector<size_t> binss(bin_count);
-
-    double max, min;
-    find_minmax(numbers, min, max);
-    double bin_size = (max / min) / bin_count;
-
-    for (size_t i = 0; i < numbers.size(); i++) {
-        bool found = false;
-        for (size_t j = 0; (j < bin_count - 1) && !found; j++) {
-            auto lo = min + j * bin_size;
-            auto hi = min + (j + 1) * bin_size;
-            if ((lo <= numbers[i]) && (numbers[i] < hi)) {
-                bins[j]++;
-                found = true;
-            }
-        }
-        if (!found) {
-            bins[bin_count - 1]++;
-        }
-    }
-
-    int max_count = bins[0];
-    for (size_t i = 0; i < bin_count; i++) {
-        if (bins[i] > max_count) {
-            max_count = bins[i];
-        }
-    }
-
-    if (max_count > 76) {
 
-        for (size_t i = 0; i < bin_count; i++) {
-            int count = bins[i];
-            size_t height = 76 * (static_cast<double>(count) / max_count);
-            bins[i] = height;
-        }
-    }
-    return bins;
-}
-
-void show_histogram_text(vector <size_t> bins, size_t bin_count ) {
-
-    for (size_t i = 0; i < bin_count; i++) {
-        if (bins[i] < 100) {
-            cout << " ";
-        }
-        if (bins[i] < 10) {
-            cout << " ";
-        }
-        cout << bins[i] << "|";
-        for (size_t j = 0; j < bins[i]; j++) {
-            cout << "*";
-        }
-        cout << "\n";
-    }
-}
 
 
 
@@ -115,28 +43,4 @@ int main()
     show_histogram_text(bins, in.bin_count);
 
 
-    }
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+    }
\ No newline at end of file
diff --git a/lab1.vcxproj b/lab1.vcxproj
index 940d519..8f1ff1c 100644
--- a/lab1.vcxproj
+++ b/lab1.vcxproj
@@ -127,7 +127,13 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
+    <ClCompile Include="histogram.cpp" />
     <ClCompile Include="lab1.cpp" />
+    <ClCompile Include="text.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="histogram.h" />
+    <ClInclude Include="text.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
diff --git a/lab1.vcxproj.filters b/lab1.vcxproj.filters
index b28bd20..a753087 100644
--- a/lab1.vcxproj.filters
+++ b/lab1.vcxproj.filters
@@ -18,5 +18,19 @@
     <ClCompile Include="lab1.cpp">
       <Filter>Исходные файлы</Filter>
     </ClCompile>
+    <ClCompile Include="histogram.cpp">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
+    <ClCompile Include="text.cpp">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="histogram.h">
+      <Filter>Исходные файлы</Filter>
+    </ClInclude>
+    <ClInclude Include="text.h">
+      <Filter>Исходные файлы</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/text.cpp b/text.cpp
new file mode 100644
index 0000000..83b96e0
--- /dev/null
+++ b/text.cpp
@@ -0,0 +1,23 @@
+#include <vector>
+#include "text.h"
+#include <iostream>
+
+
+using namespace std;
+
+void show_histogram_text(vector <size_t> bins, size_t bin_count) {
+
+    for (size_t i = 0; i < bin_count; i++) {
+        if (bins[i] < 100) {
+            cout << " ";
+        }
+        if (bins[i] < 10) {
+            cout << " ";
+        }
+        cout << bins[i] << "|";
+        for (size_t j = 0; j < bins[i]; j++) {
+            cout << "*";
+        }
+        cout << "\n";
+    }
+}
\ No newline at end of file
diff --git a/text.h b/text.h
new file mode 100644
index 0000000..07c12ca
--- /dev/null
+++ b/text.h
@@ -0,0 +1,5 @@
+#pragma once
+#include <vector>
+
+
+void show_histogram_text(std:: vector <size_t> bins, size_t bin_count);
\ No newline at end of file