diff --git a/hello.py b/hello.py
index cd4570b..645b8a9 100644
--- a/hello.py
+++ b/hello.py
@@ -1,2 +1,40 @@
-name = "Konstantinov Eugeny"
-print(f"Hello {name}")
+import math
+
+def calc(a, b, x):
+    numerator = math.log((b**2 - x**2) ,a)
+    denomerator = abs((x**2 - a**2))**(1/3.0)
+    y = numerator/denomerator
+    return y
+
+def task_a(a, b, xn, xk, dx):
+    x = xn
+    y = []
+    while x <= xk:
+        res = calc(a, b, x)
+        y.append(res)
+        x += dx
+    return y
+
+def task_b(a, b, x_arr):
+    y = []
+    for x in x_arr:
+        res = calc(a, b, x)
+        y.append(res)
+    return y
+
+if __name__ == "__main__":
+    a = 2.0
+    b = 4.1
+    x = 0.77
+    y = calc(a, b, x)
+    print(f"x={x:.3f} y={y:.3f}")
+
+    a_res = task_a(a, b, 0.77, 1.77, 0.2)
+    print(a_res)
+
+    x_arr = [1.24, 1.38, 2.38, 3.21, 0.68]
+    b_res = task_b(a, b, x_arr)
+    print(b_res)
+
+
+