Update app.py

app.py

@@ -90,8 +90,8 @@ elif selected_function == "関数の交点":
     func2_expression = st.text_input("2つ目の関数を入力してください:")
     if func1_expression and func2_expression:
         x = symbols('x', real=True)
-        func1 = simplify(func1_expression)
-        func2 = simplify(func2_expression)
+        func1 = simplify(parse_expr(func1_expression))
+        func2 = simplify(parse_expr(func2_expression))
         intersection_points = solve(Eq(func1, func2), x)
         st.success(f"関数の交点の座標: {intersection_points}")