Update app.py

app.py

@@ -30,14 +30,6 @@ def reset_state():
     st.session_state.x_vals = [st.session_state.starting_point]
     st.session_state.y_vals = [safe_eval(st.session_state.func_input, st.session_state.starting_point)]
 
-# Predefined function buttons
-predefined_functions = {
-    "x²": "x**2",
-    "x³": "x**3",
-    "sin(x)": "np.sin(x)",
-    "log(x)": "np.log(x)"
-}
-
 # Initialize session state variables
 if "func_input" not in st.session_state:
     st.session_state.func_input = "x**2 + x"
@@ -102,16 +94,6 @@ col1, col2 = st.columns([1, 2])
 with col1:
     st.subheader("🔧 Define Your Function")
     
-    # Display the predefined function buttons
-    st.write("Or choose a predefined function:")
-    cols = st.columns(4)
-    for i, (btn_label, func_value) in enumerate(predefined_functions.items()):
-        with cols[i]:
-            if st.button(btn_label):
-                st.session_state.func_input = func_value
-                reset_state()  # Ensure that the reset function is called to update the state
-                st.experimental_rerun()  # Re-run to ensure everything updates properly
-
     # Use text input for the user to define a function
     func_input = st.text_input(
         "Enter a function of 'x':",