Update app.py

app.py

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+import streamlit as st
+import math
+
+# Streamlit app title
+st.title("Scientific Calculator")
+
+# User input for numbers and operation
+st.subheader("Enter your inputs:")
+
+# Input fields
+number1 = st.number_input("Enter the first number:", value=0.0)
+operation = st.selectbox(
+    "Choose an operation:",
+    ["Addition (+)", "Subtraction (-)", "Multiplication (×)", "Division (÷)", 
+     "Power (^)", "Square Root (√)", "Logarithm (log)", "Sine (sin)", 
+     "Cosine (cos)", "Tangent (tan)"]
+)
+
+# Perform the calculation based on the operation selected
+result = None
+
+if operation in ["Addition (+)", "Subtraction (-)", "Multiplication (×)", "Division (÷)", "Power (^)"]:
+    number2 = st.number_input("Enter the second number:", value=0.0)
+    if operation == "Addition (+)":
+        result = number1 + number2
+    elif operation == "Subtraction (-)":
+        result = number1 - number2
+    elif operation == "Multiplication (×)":
+        result = number1 * number2
+    elif operation == "Division (÷)":
+        if number2 != 0:
+            result = number1 / number2
+        else:
+            st.error("Division by zero is not allowed.")
+    elif operation == "Power (^)":
+        result = number1 ** number2
+
+elif operation == "Square Root (√)":
+    if number1 >= 0:
+        result = math.sqrt(number1)
+    else:
+        st.error("Square root of a negative number is not defined.")
+elif operation == "Logarithm (log)":
+    if number1 > 0:
+        base = st.number_input("Enter the base (default is 10):", value=10.0)
+        if base > 0 and base != 1:
+            result = math.log(number1, base)
+        else:
+            st.error("Base must be positive and not equal to 1.")
+    else:
+        st.error("Logarithm of non-positive numbers is not defined.")
+elif operation == "Sine (sin)":
+    result = math.sin(math.radians(number1))
+elif operation == "Cosine (cos)":
+    result = math.cos(math.radians(number1))
+elif operation == "Tangent (tan)":
+    result = math.tan(math.radians(number1))
+
+# Display the result
+if result is not None:
+    st.subheader("Result:")
+    st.write(result)
+