Update app.py

app.py

@@ -1,31 +1,70 @@
 import streamlit as st
+import math
 
 # Title of the application
-st.title('Basic Calculator')
+st.title('Advanced Calculator')
 
-# Sidebar for calculator operations
+# Sidebar for choosing operation
 operation = st.sidebar.selectbox(
     "Choose operation",
-    ("Add", "Subtract", "Multiply", "Divide")
+    ("Basic", "Advanced", "Trigonometric", "Logarithmic", "Factorial", "Percentage", "Memory")
 )
 
-# User input for two numbers
-num1 = st.number_input('Enter first number', value=0)
-num2 = st.number_input('Enter second number', value=0)
-
-# Perform calculation based on the selected operation
-if operation == "Add":
-    result = num1 + num2
-elif operation == "Subtract":
-    result = num1 - num2
-elif operation == "Multiply":
-    result = num1 * num2
-elif operation == "Divide":
-    # Check for division by zero
-    if num2 != 0:
-        result = num1 / num2
-    else:
-        result = "Error: Division by Zero"
-
-# Display the result
-st.write(f"Result: {result}")
+# User input for numbers
+num1 = st.number_input('Enter first number', value=0.0)
+num2 = st.number_input('Enter second number (optional)', value=0.0)
+
+# Memory variable (to store previous result)
+if 'memory' not in st.session_state:
+    st.session_state.memory = 0.0
+
+# Basic Operations
+if operation == "Basic":
+    basic_op = st.selectbox("Choose basic operation", ("Add", "Subtract", "Multiply", "Divide"))
+    if basic_op == "Add":
+        result = num1 + num2
+    elif basic_op == "Subtract":
+        result = num1 - num2
+    elif basic_op == "Multiply":
+        result = num1 * num2
+    elif basic_op == "Divide":
+        if num2 != 0:
+            result = num1 / num2
+        else:
+            result = "Error: Division by Zero"
+
+# Advanced Operations
+elif operation == "Advanced":
+    advanced_op = st.selectbox("Choose advanced operation", ("Power", "Square Root"))
+    if advanced_op == "Power":
+        result = num1 ** num2
+    elif advanced_op == "Square Root":
+        if num1 >= 0:
+            result = math.sqrt(num1)
+        else:
+            result = "Error: Cannot take square root of negative number"
+
+# Trigonometric Operations
+elif operation == "Trigonometric":
+    trig_op = st.selectbox("Choose trigonometric function", ("Sine", "Cosine", "Tangent"))
+    angle_in_degrees = st.checkbox("Use degrees instead of radians?")
+    
+    if trig_op == "Sine":
+        if angle_in_degrees:
+            result = math.sin(math.radians(num1))
+        else:
+            result = math.sin(num1)
+    elif trig_op == "Cosine":
+        if angle_in_degrees:
+            result = math.cos(math.radians(num1))
+        else:
+            result = math.cos(num1)
+    elif trig_op == "Tangent":
+        if angle_in_degrees:
+            result = math.tan(math.radians(num1))
+        else:
+            result = math.tan(num1)
+
+# Logarithmic Operations
+elif operation == "Logarithmic":
+    log_op = st.selectbox("Choose logarithmic operation",