app.py

import streamlit as st
import math

def main():
    st.title("🧮 Advanced Calculator")
    
    st.write("This calculator performs basic and advanced math operations.")

    num1 = st.number_input("Enter first number:", value=0.0)
    num2 = st.number_input("Enter second number:", value=0.0)
    
    operation = st.selectbox("Choose an operation:", (
        "Addition", 
        "Subtraction", 
        "Multiplication", 
        "Division", 
        "Exponentiation (x^y)",
        "Modulo (x % y)",
        "Square Root (√x)",
        "Absolute Value (|x|, |y|)"
    ))
    
    result = None
    
    if st.button("Calculate"):
        if operation == "Addition":
            result = num1 + num2
        elif operation == "Subtraction":
            result = num1 - num2
        elif operation == "Multiplication":
            result = num1 * num2
        elif operation == "Division":
            if num2 != 0:
                result = num1 / num2
            else:
                st.error("Cannot divide by zero!")
        elif operation == "Exponentiation (x^y)":
            result = math.pow(num1, num2)
        elif operation == "Modulo (x % y)":
            if num2 != 0:
                result = num1 % num2
            else:
                st.error("Cannot modulo by zero!")
        elif operation == "Square Root (√x)":
            if num1 >= 0:
                result = math.sqrt(num1)
            else:
                st.error("Cannot calculate square root of negative number!")
        elif operation == "Absolute Value (|x|, |y|)":
            result = f"|{num1}| = {abs(num1)}, |{num2}| = {abs(num2)}"
        
        if result is not None:
            st.success(f"Result: {result}")

if __name__ == "__main__":
    main()