Update app.py

app.py

@@ -1,4 +1,62 @@
-import streamlit as st
+import streamimport streamlit as st
+import math
+
+st.title("Advanced Calculator")
+
+# Input fields
+num1 = st.number_input("Enter first number", format="%.2f")
+operation = st.selectbox(
+    "Select operation",
+    ["+", "-", "*", "/", "^ (power)", "% (modulus)", "// (floor division)", "√ (square root)", "log10"]
+)
+num2 = st.number_input("Enter second number", format="%.2f")
+
+result = None
+error = None
+
+if st.button("Calculate"):
+    try:
+        if operation == "+":
+            result = num1 + num2
+        elif operation == "-":
+            result = num1 - num2
+        elif operation == "*":
+            result = num1 * num2
+        elif operation == "/":
+            if num2 != 0:
+                result = num1 / num2
+            else:
+                error = "Cannot divide by zero"
+        elif operation == "^ (power)":
+            result = num1 ** num2
+        elif operation == "% (modulus)":
+            if num2 != 0:
+                result = num1 % num2
+            else:
+                error = "Cannot perform modulus by zero"
+        elif operation == "// (floor division)":
+            if num2 != 0:
+                result = num1 // num2
+            else:
+                error = "Cannot perform floor division by zero"
+        elif operation == "√ (square root)":
+            if num1 >= 0:
+                result = math.sqrt(num1)
+            else:
+                error = "Cannot take square root of a negative number"
+        elif operation == "log10":
+            if num1 > 0:
+                result = math.log10(num1)
+            else:
+                error = "Logarithm defined only for positive numbers"
+    except Exception as e:
+        error = str(e)
+
+    if error:
+        st.error(error)
+    else:
+        st.success(f"Result: {result:.4f}")
+lit as st
 
 st.title("Simple Calculator")