diff --git a/TEMA8/test/Mod1.py b/TEMA8/test/Mod1.py
new file mode 100644
index 0000000..8290b57
--- /dev/null
+++ b/TEMA8/test/Mod1.py
@@ -0,0 +1,37 @@
+# Mod1.py
+import math
+
+def calc_function(a, x):
+    if x == 0:
+        return a
+    return a * math.sin(x) / x
+
+def calculate_interval(a, x_start=0.5, x_end=50, step=0.5):
+    results = []
+    x = x_start
+    while x <= x_end:
+        value = calc_function(a, x)
+        results.append((x, value))
+        x += step
+    return results
+
+def write_to_file(results, filename="output.txt"):
+    with open(filename, 'w', encoding='utf-8') as f:
+        for x, val in results:
+            f.write(f"{val}\n")
+    print(f"Данные записаны в файл: {filename}")
+
+def plot_function(results):
+    import matplotlib.pyplot as plt
+    
+    x_vals = [item[0] for item in results]
+    y_vals = [item[1] for item in results]
+    
+    plt.figure(figsize=(10, 5))
+    plt.plot(x_vals, y_vals, label="f(x) = a * sin(x) / x", color='blue')
+    plt.title("График функции f(x) = a * sin(x) / x")
+    plt.xlabel("x")
+    plt.ylabel("f(x)")
+    plt.grid(True)
+    plt.legend()
+    plt.show()
diff --git a/TEMA8/test/Mod2.py b/TEMA8/test/Mod2.py
new file mode 100644
index 0000000..d55f1ec
--- /dev/null
+++ b/TEMA8/test/Mod2.py
@@ -0,0 +1,24 @@
+import Mod1
+
+print("=" * 50)
+print("Расчёт функции f(x) = a * sin(x) / x")
+print("=" * 50)
+
+try:
+    a = float(input("Введите коэффициент a: "))
+    filename = input("Введите имя файла ('output.txt'): ") or "output.txt"
+except ValueError:
+    print("Ошибка ввода! Используйте числа.")
+    exit()
+
+results = Mod1.calculate_interval(a)
+
+print("\nПервые 10 значений:")
+for x, val in results[:10]:
+    print(f"  x={x:.1f}, f(x)={val:.6f}")
+
+Mod1.write_to_file(results, filename)
+
+print("\nОтображение графика:")
+Mod1.plot_function(results)
+
diff --git a/TEMA8/test/image1.png b/TEMA8/test/image1.png
new file mode 100644
index 0000000..bb0c525
Binary files /dev/null and b/TEMA8/test/image1.png differ
diff --git a/TEMA8/test/image2.png b/TEMA8/test/image2.png
new file mode 100644
index 0000000..4f148eb
Binary files /dev/null and b/TEMA8/test/image2.png differ
diff --git a/TEMA8/test/output.txt b/TEMA8/test/output.txt
new file mode 100644
index 0000000..a128d93
--- /dev/null
+++ b/TEMA8/test/output.txt
@@ -0,0 +1,100 @@
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