Create app.py

app.py

@@ -0,0 +1,61 @@
+import streamlit as st
+import math
+
+st.set_page_config(page_title="Advanced Calculator", page_icon="🧮")
+
+st.title("🧮 Advanced Calculator")
+
+# Select operation
+operation = st.selectbox(
+    "Select Operation",
+    (
+        "Add",
+        "Subtract",
+        "Multiply",
+        "Divide",
+        "Square",
+        "Square Root",
+        "Power (x^y)",
+        "Log (base 10)"
+    )
+)
+
+# Input fields
+if operation in ["Add", "Subtract", "Multiply", "Divide", "Power (x^y)"]:
+    num1 = st.number_input("Enter first number")
+    num2 = st.number_input("Enter second number")
+
+elif operation in ["Square", "Square Root", "Log (base 10)"]:
+    num1 = st.number_input("Enter number")
+
+# Calculate button
+if st.button("Calculate"):
+    try:
+        if operation == "Add":
+            result = num1 + num2
+
+        elif operation == "Subtract":
+            result = num1 - num2
+
+        elif operation == "Multiply":
+            result = num1 * num2
+
+        elif operation == "Divide":
+            result = "Error! Division by zero." if num2 == 0 else num1 / num2
+
+        elif operation == "Square":
+            result = num1 ** 2
+
+        elif operation == "Square Root":
+            result = "Error! Negative number." if num1 < 0 else math.sqrt(num1)
+
+        elif operation == "Power (x^y)":
+            result = num1 ** num2
+
+        elif operation == "Log (base 10)":
+            result = "Error! Input must be > 0." if num1 <= 0 else math.log10(num1)
+
+        st.success(f"Result: {result}")
+
+    except Exception as e:
+        st.error(f"Error: {e}")