Create app.py

app.py

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+import streamlit as st
+import numpy as np
+
+# Title of the app
+st.title("Scientific Calculator")
+
+# Input field for numbers
+num1 = st.number_input("Enter a number", value=0.0, format="%.5f")
+
+# Scientific operations
+operation = st.selectbox("Select Operation", [
+    "Addition", "Subtraction", "Multiplication", "Division",
+    "Square", "Square Root", "Power", "Logarithm", "Exponential",
+    "Sine", "Cosine", "Tangent", "Factorial"
+])
+
+# Additional input if required
+num2 = None
+if operation in ["Addition", "Subtraction", "Multiplication", "Division", "Power"]:
+    num2 = st.number_input("Enter second number", value=0.0, format="%.5f")
+
+# Perform Calculation
+result = None
+if st.button("Calculate"):
+    try:
+        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("Error: Division by zero is not allowed!")
+        elif operation == "Square":
+            result = num1 ** 2
+        elif operation == "Square Root":
+            if num1 >= 0:
+                result = np.sqrt(num1)
+            else:
+                st.error("Error: Square root of a negative number is not allowed!")
+        elif operation == "Power":
+            result = num1 ** num2
+        elif operation == "Logarithm":
+            if num1 > 0:
+                result = np.log(num1)
+            else:
+                st.error("Error: Logarithm of zero or a negative number is not allowed!")
+        elif operation == "Exponential":
+            result = np.exp(num1)
+        elif operation == "Sine":
+            result = np.sin(np.radians(num1))
+        elif operation == "Cosine":
+            result = np.cos(np.radians(num1))
+        elif operation == "Tangent":
+            result = np.tan(np.radians(num1))
+        elif operation == "Factorial":
+            if num1 >= 0 and num1 == int(num1):
+                result = np.math.factorial(int(num1))
+            else:
+                st.error("Error: Factorial is only defined for non-negative integers!")
+    except Exception as e:
+        st.error(f"Error: {e}")
+
+# Display Result
+if result is not None:
+    st.success(f"Result: {result}")