diff --git a/draw_merged_sine_wave.py b/draw_merged_sine_wave.py
new file mode 100644
index 0000000..596d545
--- /dev/null
+++ b/draw_merged_sine_wave.py
@@ -0,0 +1,29 @@
+import numpy as np
+from matplotlib import pyplot as plt
+
+
+f1, f2, f3 = 60, 120, 180
+t = np.linspace(0.0, 0.1, 1000)
+y1 = 1.1 * np.sin(2* np.pi * f1 * t)
+y2 = 0.8 * np.sin(2* np.pi * f2 * t)
+y3 = 0.5 * np.sin(2* np.pi * f3 * t)
+y = y1 + y2 + y3
+
+plt.subplot(4,1,1)
+plt.plot(t,y)
+plt.title(r"$y = y1 + y2 + y3$")
+
+plt.subplot(4,1,2)
+plt.plot(t,y1)
+plt.title(r"$y1 = 1.1 \cdot \sin (2 \pi \cdot 60t) $")
+
+plt.subplot(4,1,3)
+plt.plot(t,y2)
+plt.title(r"$y1 = 0.8 \cdot \sin (2 \pi \cdot 120t) $")
+
+plt.subplot(4,1,4)
+plt.plot(t,y3)
+plt.title(r"$y1 = 1.5 \cdot \sin (2 \pi \cdot 180t) $")
+
+plt.tight_layout()
+plt.show()